I'm no expert but I just looked into this last week. Like someone mentioned, Whitestone is popular, but my research pointed to the Spigen NeoFlex Soli...
Big haul: fast, but coupons kill rewards. $50 chunks: maximizes cash, tho it's slower. tbh I use PriceDropCatch to track prices before buying.
Building on the earlier suggestion about being cautious with permissions, I totally agree that some of these tools are more trouble than they are wort...
Exactly what I was thinking