Or you can buy your compost! It can be purchased from composting facilities.
That is not to say it isn’t a decent material to use; I just don’t like it being called “compost”.
You’re not getting a bioactive “living” compost, from a carefully chosen, balanced, mix of ingredients like you do from a cooled down natural pile.
Oh wow! Thanks for the wonderful clarification of the box store products. Words mean things, don’t they?