Scott, there are shells that will perform specific duties. This is a comprehensive article to help you make the best ammunition choices for given purposes : wideners.com/blog/shotgun-load-types/

any shot shell of the proper ga and length will work fine

Please do not shoot 00 buckshot or slugs in your house. They go through walls and may kill a family member.

It depends on what purpose you want to use the gun for. If you just want to shoot clay, just use regular birdshot. If you set it up for home defense you can use 00 buckshot. Some like using slugs. Maybe you want less than lethal rounds and use rubber slugs or beanbag type ammunition. It’s all up to you. It was my pleasure to assist you.