You can save it up. I currently have $278.58 in Discover cash back that I haven't used.
Discover IT $35K | FNBO Visa $30K | Cash+ Visa Sig $19.5K | Southwest Premier $16K | Priceline $15K | Citi Forward $14.3K | US Bank Plat $14K | Commerce Bank $13K | CSP $13K | CSR $10K | Sallie Mae World MC $10K | Lowe’s Consumer 10K | BoA Cash Rewards 1-2-3 Sig $7.5K | Fidelity Visa $7K | Citi Double Cash $6.5K | WF Cash Back Visa $5.4K | Capital One Cash Rewards $5K | AMEX BCE $3.9K | Freedom $2.5K | Younkers/Comenity $2.4K | Kohl’s 1.5K | Target $1.4K | EX FICO (from AMEX): 768, TU FICO (from Discover): 797, AAoA: 4.4 years
You don't have to wait. You can link your discover card to amazon and pay with points if you want. I save all of my cashback and use it to pay for Christmas presents.
Starting Score: 08/29/2011 TU 671 EQ 674 Current Score: TU 754 EQ 694 EX 697 Wallet: NFCU Visa Sig 25k, Amex Lowes 22k, NavCheck 15k, Amex PRG, Amex Zync, Discover It 13.5k, Amazon Visa 5k Platinum Spade Garden Club Member: App Free since 1/1/13. No more apps til who knows when? MyFICO Fitness Goal: 800s Club!
Amex Platinum Charge(NPSL); Starwood Amex Preferred CC(20K CL); Diners Club ELITE MC(20K);Diners Club Premier MC(20K,could've sworn the rep said 25k, oh well lol);Delta Amex Reserve CC(21K CL); Amex PRG Charge(NPSL); United Presidential Plus Chase World Elite MC (15K CL); AARP Chase Visa Signature(35K CL); NFCU Visa Platinum(20K CL) NFCU LOC(15K); NFCU Go Rewards MC(17.5K); Disover IT 7.8K; First Tech Federal Visa Platinum(15K CL); Simmons First Visa Platinum(9K CL); Wells Fargo Visa Platinum(7.5K CL); CitiBank Sears MC(6K CL); JCPenney Card(7.5K CL); Lowes(2.5K CL);Barclays Mile & More Lufthansa 12.5K.