I have one thing to say...walking foot! Mine was awful until I discovered the walking foot!
Welcome to the Quilting Board!

I have one thing to say...walking foot! Mine was awful until I discovered the walking foot!
If you always do, what you have always done, The results never change. Change is the wings you give yourself.
I should have prepped my statement better. I am a hand piecer and hand quilter. I sew binding on the machine for my quilts and that is about the only machine stitching I do. I usually don't have this much trouble but you are right. I was lazy and did not cut bias binding and I did not know how wide to cut the binding. In fact I think the instructions might have been for store bought binding. I was too lazy to go to the store so I was trying to make something without taking the proper time to do it right. I can sew on the machine and I think I have made one quilt on the machine but it is just so much more fun to sit, relax and sew by hand - for me. I just wanted to compliment you machine stitchers and quilters. It does require a lot of skill. When I sew on the machine I might get distracted and before I know it my straight line is a wavy line. Any way, I have tons of projects to do and one little heart hot pad isn't going to get me down.
Just take a deep breath and try it again. Play on fabric that has something to outline, like a butterfly or chicken or whatever. Usually if you have something to follow, the brain says "ok! Let's go".
..and you don't need a sewing machine that does everything but pour you a cup of coffee.....one straight stitch, one speed if all you need. I compliment you on liking hand piecing/quilting more than machine........I, on the other hand, thank heaven on a daily basis for the invention of the sewing machine. I hope you will try again....no, you were not too lazy to go out and buy binding....just too involved in being a crafter!
I agree with everyone, don't give up. My first project was to make a stupid pot holder. I mean, how difficult would it be to sew a square. I worked on that pot holder for days and finally threw it away but I didn't give up. I began buying pre-cuts and love using them.
YOU can do it !