You'll want to think about using some dark colored paper for the sides and back of the tank to help increase the security of the snake.

You'll likely need to add another hide so that your ball can have security while he thermoregulates instead of needing to choose security over thermoregulation.

You might want to think about getting some aspen so you'll have it when you tire of disinfecting the carpet.

98F is pretty darned warm~ too warm. What are your ambient temps and humidity?

It's a pretty set up to look at but still needs some tweaking for a ball python to live in