auto-pounder

Just built a grow closet and put a lot of work and money into it. I have some ideas for a door to seal it, but any ideas would be greatly appreciated. I'm new at this so critique the shit out of my setup, i need it haha.

I just ordered these seeds a few days ago and cant find anyone that has tried this strain of autoflower before. Just looking for grow info before I get started so I know what to avoid, what to look for, time periods, etc...... Please help if you can, this is my first grow attempt and I really...