The shed hairs in protective styles give me knots and tangles too. I left some twists in for 4 days recently and it was so bad I had to get my scissors out. For my hair under manipulation is more of a problem than overmanipulation.
Like other have said it's trial and error. But babying your ends goes a long way for retention.
Low porosity, high density, and fine
4a/3c, mod-CG, itchy prone scalp
Natural 4 Life