...is using a fabric you bought on CLEARANCE and realizing you don't have enough!
A lesson in only buying what you know you are going to use, and for what you are planning to use it. Generally, a yard and a half is more than enough to get me whatever I need for a quilt (backings notwithstanding). However, when I've decided to use a fabric as inspiration for a quilt, saving it for the border no less, I should establish how much fabric I have to start with, how it needs to run for the border and THEN make the body of the quilt to fit those limitations. Now I have the body of a quilt with the inner border attached, and a yard and a half of focus fabric that doesn't work as the border because it's DIRECTIONAL. Normally, that doesn't affect my decisions too much, but in this case... well... it just looks funny any way but upright. So, I'm on the search for more of this fabric. I found a source online, but want to give myself a chance to check out my local quilt shops first - just on principle.
Have I learned from this experience?? Probably not, but I've got plenty of other lessons to attend to, I'm sure.