"I'm such a failure. I fail at everything I attempt. I feel so dumb and I hate myself so much"

It's because you don't have Christ in your life.

Deuteronomy 30:9
>The LORD will make you prosperous in all that you do; you will have many children and a lot of livestock, and your fields will produce abundant crops. He will be as glad to make you prosperous as he was to make your ancestors prosperous,