Don't go for the absolutely most cheap-est blank you can find. Find a lesser cost blank that has features you know you like in a fly rod. If you find one you like you'll be more apt to finish the rod, and more apt to use it. Take your time, pay attention to what you're doing, enjoy ... and if that's not possible at that moment, put it down and walk away for a little bit. If you aren't happy with the color of the thread, or the way the wraps are going ... start over with thread you do like, and more controlled wrapping. Anything you put on the blank can be removed for a clean start. Ask questions. Listen to the answers. Have fun.