Pay taxes on 0% card; invest freed cash at 5%+ T-bill yield during promo.
Pay quarterly estimates or annual property tax on a 0% intro-APR card via PayUSAtax/ACI (1.82% fee). Keep the equivalent cash invested in T-bills or MMF at 5%+ for the 12–18 month promo window. On a $100K tax bill: pay $1,820 processor fee, earn $6K–$8K in T-bill yield over 15 months, net ~$4K–$6K profit. Must repay card in full before promo ends.
Click Generate advisory deep dive for mechanics, IRC citations, a step-by-step execution plan, a worked numeric example on your profile, costs, risks, and this-week actions.
Build $100K–$500K of 0% intro-APR unsecured credit.
Stack personal 0% purchase/BT cards; deploy the float into cash-flowing assets.
3% BT fee for 18mo = ~2% APR — arbitrage vs 5% T-bill / private lending yield.
Route all business AP through 2%+ cashback cards — permanent margin lift.
Amex MR / Chase UR / Cap One transfers = 4–8¢/pt on business travel.
Sequenced personal + EIN-only biz apps for $20–50K/yr in tax-free SUBs.
Multiply SUBs and 3–5x category earnings without new hard pulls.
Pay earnest money, closing costs, or seller with a card at 2.9% fee.