I shoot a lot at the distances you mentioned, also in my basement. The thing I've noticed is I get good arrow flight and patterning at this distance it'll be good at further distances. Often at further distances the fletching has more time to correct tuning or setup inaccuracies.
I print some reduced size targets for realistic practice, & it does help to keep score. Helps you realize when you're doing something wrong or something has changed. If you don't want to keep score with an actual target 3/4" dots work well for me.
Just remember to keep it SAFE!!!!!