COS CA: Shopping portal cashback & miles rates
cosstores.com
Checked 9d ago · 2 portals compared
Every portal below pays you for starting your COS CA purchase there: they split the commission they get from COS CA with you. Same store, same checkout, same order, but cashback or miles on top. New here? How portals work
Best COS CA rate right now
Best right now
Verdict:
- It's an "up to" rate. The headline number may only apply to some categories.
1 rate change in the 42 days we've tracked it. Last moved Jul 20, 2026. FatCoupon has held the top cashback rate longest: 42 of 42 days.
Joining a portal through a link here may earn us a referral bonus; it never changes these rates or their order. Details
How this tool is funded
Some links here are referral links: if you join a portal through one, that portal may pay us a referral bonus. It never changes the rates we show or how we rank them. How we make money
Best play
Stack the portal with the right card: the same purchase earns two ways.
Also fits: Bank of America Customized Cash Rewards (3% back on online retail) · Amex Blue Business Plus (2x Amex points on everything)
Card earn rates are our own notes, not live data. Issuer caps and terms apply, so double-check before counting on one.
Rate history last 21 days
Full history →COS CA's best cashback rate has changed once since Jul 20, ranging 2% to 4.8%.
Each line follows the best rate on offer at that moment, whoever was paying it. Currently: Cashback via FatCoupon. Same scale, different currencies: "3" means 3% cash, 3 pts/$, or 3 mi/$.
Every account sees the last 21 days here. Premium goes back to day one.
Recent changes last 21 days
Common questions
Which shopping portal pays the most at COS CA? +
Right now up to 4.8% on FatCoupon leads, out of 2 portals we track for COS CA. The full side-by-side comparison of cashback, miles, and points is above.
Is 4.8% a good cashback rate for COS CA? +
4.8% on FatCoupon is the usual rate for COS CA.
Can I earn airline miles or points for COS CA through a shopping portal? +
Not right now. None of the 2 portals we track list airline miles or transferable points for COS CA today. That can change, so it's worth setting an alert.
How often do COS CA's cashback rates change? +
COS CA's best cashback rate has changed once since Jul 20, ranging 2% to 4.8%.