Here's an interesting one: Listia. It's sort of like eBay but, instead of using cash, you use Listia points to bid. People auction off all kinds of stuff, including My Coke Rewards codes, Disney points, etc. The best thing about it is that they will give you 400 points just to sign up (per account, although the rules specify one per person), which should be enough to get you a bunch of MCR caps, which will help you during the current 10-point bonus question.
My referral link is here. Full disclosure: I don't get anything if you sign up. I do, however, get something if you list an auction, which you don't need to do unless you want bonus Listia points. There are a ton of opportunities to earn points, so you should be able to rake in the MCR caps.