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    <title>OptimalCardSetup Blog</title>
    <link>https://optimalcardsetup.com/blog</link>
    <description>Credit card optimization guides, comparisons, and news.</description>
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    <lastBuildDate>Sun, 05 Jul 2026 08:39:37 GMT</lastBuildDate>
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      <title><![CDATA[How OptimalCardSetup Finds Your Mathematically Optimal Card Setup]]></title>
      <link>https://optimalcardsetup.com/blog/how-the-optimizer-works</link>
      <description><![CDATA[A deep dive into the CP-SAT solver, integer programming, and how we prove — not guess — the best credit card combination for your spending.]]></description>
      <pubDate>Sun, 01 Jun 2025 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/how-the-optimizer-works</guid>
      <category>guide</category>
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    <item>
      <title><![CDATA[Chase Sapphire Preferred vs Reserve: Which One Should You Get?]]></title>
      <link>https://optimalcardsetup.com/blog/chase-sapphire-preferred-vs-reserve</link>
      <description><![CDATA[A data-driven comparison of the CSP ($95/yr) and CSR ($550/yr). We break down the math to show exactly when each card is worth it.]]></description>
      <pubDate>Sun, 15 Jun 2025 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/chase-sapphire-preferred-vs-reserve</guid>
      <category>comparison</category>
    </item>
    <item>
      <title><![CDATA[How to Maximize Credit Card Rewards: The Complete Strategy]]></title>
      <link>https://optimalcardsetup.com/blog/maximize-credit-card-rewards</link>
      <description><![CDATA[Stop leaving money on the table. A systematic approach to earning the most from your credit card rewards, backed by math.]]></description>
      <pubDate>Tue, 01 Jul 2025 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/maximize-credit-card-rewards</guid>
      <category>guide</category>
    </item>
    <item>
      <title><![CDATA[Capital One Savor vs Amex Blue Cash Everyday: Best No-Fee Cash Back Card]]></title>
      <link>https://optimalcardsetup.com/blog/capital-one-savor-vs-amex-blue-cash-everyday</link>
      <description><![CDATA[Two of the best $0 annual fee cash back cards compared. Which earns more — the Savor's 3% dining/grocery/streaming combo or the BCE's 3% gas/grocery/online combo? We do the math.]]></description>
      <pubDate>Tue, 15 Jul 2025 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/capital-one-savor-vs-amex-blue-cash-everyday</guid>
      <category>comparison</category>
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      <title><![CDATA[Amex Gold vs Citi Strata Premier vs Chase Sapphire Preferred: Best Mid-Tier Rewards Card]]></title>
      <link>https://optimalcardsetup.com/blog/amex-gold-vs-citi-strata-premier-vs-chase-sapphire-preferred</link>
      <description><![CDATA[Three of the best mid-tier rewards cards compared head-to-head. We break down earn rates, transfer partners, and the math behind each card.]]></description>
      <pubDate>Wed, 20 Aug 2025 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/amex-gold-vs-citi-strata-premier-vs-chase-sapphire-preferred</guid>
      <category>comparison</category>
    </item>
    <item>
      <title><![CDATA[Credit Card Points for Beginners: What They Are, How They Work, and How to Use Them]]></title>
      <link>https://optimalcardsetup.com/blog/credit-card-points-beginners-guide</link>
      <description><![CDATA[New to credit card rewards? This guide covers everything — point currencies, transfer partners, redemption strategies, and how to avoid common mistakes.]]></description>
      <pubDate>Mon, 01 Sep 2025 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/credit-card-points-beginners-guide</guid>
      <category>guide</category>
    </item>
    <item>
      <title><![CDATA[When Is an Annual Fee Card Worth It? The Break-Even Math]]></title>
      <link>https://optimalcardsetup.com/blog/when-annual-fee-cards-worth-it</link>
      <description><![CDATA[Annual fee cards can earn hundreds more per year — or be a waste of money. Here's exactly how to calculate whether a fee card pays for itself.]]></description>
      <pubDate>Mon, 15 Sep 2025 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/when-annual-fee-cards-worth-it</guid>
      <category>guide</category>
    </item>
    <item>
      <title><![CDATA[Cash Back vs Travel Rewards: Which Strategy Wins?]]></title>
      <link>https://optimalcardsetup.com/blog/cash-back-vs-travel-rewards</link>
      <description><![CDATA[Compare the two main credit card reward strategies — simple cash back vs transferable travel points. We break down the math, personality fit, and when each approach wins.]]></description>
      <pubDate>Wed, 01 Oct 2025 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/cash-back-vs-travel-rewards</guid>
      <category>guide</category>
    </item>
    <item>
      <title><![CDATA[The Best $0 Annual Fee Card Combinations]]></title>
      <link>https://optimalcardsetup.com/blog/best-no-annual-fee-card-combos</link>
      <description><![CDATA[You don't need to pay annual fees to earn strong rewards. These 2-3 card setups cost nothing to hold and can earn $1,400-$1,800/year on typical spending.]]></description>
      <pubDate>Wed, 15 Oct 2025 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/best-no-annual-fee-card-combos</guid>
      <category>guide</category>
    </item>
    <item>
      <title><![CDATA[Understanding Spending Caps and Tiered Earn Rates]]></title>
      <link>https://optimalcardsetup.com/blog/understanding-spending-caps-and-tiers</link>
      <description><![CDATA[Many bonus rates have spending limits that reset quarterly or annually. Learn how caps, tiers, and choose-your-category cards work — and how to optimize around them.]]></description>
      <pubDate>Sat, 01 Nov 2025 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/understanding-spending-caps-and-tiers</guid>
      <category>guide</category>
    </item>
    <item>
      <title><![CDATA[The 2026 Annual Fee Wave: Sapphire Reserve, Amex Platinum, and What It Means for Your Setup]]></title>
      <link>https://optimalcardsetup.com/blog/2026-annual-fee-increases</link>
      <description><![CDATA[Premium card fees jumped sharply — CSR to $795, Amex Platinum to $895. Here's the new break-even math and how to decide whether to keep, downgrade, or switch.]]></description>
      <pubDate>Tue, 09 Jun 2026 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/2026-annual-fee-increases</guid>
      <category>news</category>
    </item>
    <item>
      <title><![CDATA[Flat 2% Cards vs Category Cards: When Simple Wins]]></title>
      <link>https://optimalcardsetup.com/blog/flat-rate-vs-category-cards</link>
      <description><![CDATA[A flat 2% card beats complex category setups more often than enthusiasts admit — but loses badly in specific spending patterns. Here's where the line is.]]></description>
      <pubDate>Tue, 09 Jun 2026 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/flat-rate-vs-category-cards</guid>
      <category>comparison</category>
    </item>
    <item>
      <title><![CDATA[Discover Cards Are Moving to Capital One on July 27 — What Actually Changes]]></title>
      <link>https://optimalcardsetup.com/blog/discover-capital-one-migration-what-changes</link>
      <description><![CDATA[Discover it Cash Back and Discover it Chrome cardholders are being migrated to Capital One systems starting July 27, 2026. Here's what Capital One says will change, what won't, and how to check your setup still works.]]></description>
      <pubDate>Fri, 03 Jul 2026 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/discover-capital-one-migration-what-changes</guid>
      <category>news</category>
    </item>
    <item>
      <title><![CDATA[Amex Platinum Tightens Centurion Lounge Access Starting July 8]]></title>
      <link>https://optimalcardsetup.com/blog/amex-platinum-centurion-lounge-changes-july-2026</link>
      <description><![CDATA[American Express is cutting Centurion Lounge access for connecting passengers to a 5-hour pre-departure window and closing the same-flight guest loophole. Here's what changes and what doesn't.]]></description>
      <pubDate>Sat, 04 Jul 2026 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/amex-platinum-centurion-lounge-changes-july-2026</guid>
      <category>news</category>
    </item>
    <item>
      <title><![CDATA[Amex Gold vs Amex Platinum: Which Amex Card Actually Pays for Itself?]]></title>
      <link>https://optimalcardsetup.com/blog/amex-gold-vs-amex-platinum</link>
      <description><![CDATA[Amex Gold ($325) vs Amex Platinum ($895): we compare earn rates and run the numbers on which credits are realistically usable versus which just look good on paper.]]></description>
      <pubDate>Sat, 04 Jul 2026 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/amex-gold-vs-amex-platinum</guid>
      <category>comparison</category>
    </item>
    <item>
      <title><![CDATA[Bilt Obsidian vs Amex Gold: Rent Rewards vs Food Rewards]]></title>
      <link>https://optimalcardsetup.com/blog/bilt-obsidian-vs-amex-gold</link>
      <description><![CDATA[Bilt Obsidian ($95) and Amex Gold ($325) solve completely different problems — one earns on rent, the other on dining and groceries. Here's how the math actually works.]]></description>
      <pubDate>Sat, 04 Jul 2026 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/bilt-obsidian-vs-amex-gold</guid>
      <category>comparison</category>
    </item>
    <item>
      <title><![CDATA[The Average 2-Card Wallet Leaves About $190/Year on the Table]]></title>
      <link>https://optimalcardsetup.com/blog/q3-2026-two-card-wallet-report</link>
      <description><![CDATA[We ran the live solver across four real spending profiles at a 2-card limit vs. a 5-card setup. The average gap: about $191/year, or roughly 23% more in net rewards.]]></description>
      <pubDate>Sat, 04 Jul 2026 00:00:00 GMT</pubDate>
      <guid>https://optimalcardsetup.com/blog/q3-2026-two-card-wallet-report</guid>
      <category>data</category>
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