I buy everything I can at goodwill or like stores. We went to the local mall for the first time in about 3 years last month because the kids want some clothing we couldn’t find at goodwill. They have learned they have free reign at thrift stores because the cost is a fraction of what it would be at a retail store & they are becoming more environmentally conscious. But I’ve never bought towels, only because I’ve not bought towels in quite a while... lol! It’s way past time. I’ve bought second hand sheets, blanket and pillowcases to sew things... reusable bags pj and stuff. Sadly goodwill does not wash there donated items prior to reselling, I asked... so everything goes straight to the washer outta the bag. If I find 100% cotton linens I use the for my fabric paper towels and bowl cozies i sew.
I do use the sanitize cycle on my towels if they are extra dirty... they cycle just takes so long and requires extra detergent and oxi clean.
On a side note, when I first made soap, I used some washcloth to sew a soap pocket thingy for all my scraps to use up and it never dried in the shower. It always got smelly, slimy and crusty, but always washed well. But only because it always had damp soap in it. Still wanna try these out! I’m always excited about reusable items & I buy way to many poofy thingy things!