As a guy specialising on developing MVPs for people with ideas, here is the general list of rules I use before taking on a project: 1. Are you willing to pay my normal rate? 2. If so, can you convince me the market is there and you know how to address it. 3. Can you convince me _you_ are the guy who's going to be able to bring it all together? I know that after rule 1 I shouldn't care, but with so many potential proj…
You're ignoring a powerful aspect here: Founders are cash-poor, but equity-rich (almost infinitely so). I don't know whether you have enough money to cover your costs (I assume so, you sound quite successful), but I think it would be interesting to seek out promising founders and take a little bit of equity, instead of another "bunch of money"(tm). That increase in money is not going to significantly change your life…
Smart, experienced founders would rather spend money than equity on anything other than a top quality cofounder.