Yes, there are so many red flags on this one, it would be full of problems. Do you want to do it and do you have the time to do it? She reneged once, and probably thinks she can do so again. If it's custom, she'll figure you will just give it to her if she reneges when you've got the design done and the materials purchased. This person is a taker and a user with a lot of nerve. If you do want to do it, get $$ up front. Listen to ckcowl and the other experienced voices here.