If your Dollar Tree has Angel Soft 4ct packs you can do this deal:
Angel Soft Bath Tissue 4 single roll
$.45 off one Angel Soft Bathroom Tissue Coupon from RP 07/23 (exp 8/23)
=$.55 (about $.14 per roll – not bad for singles!)
This deal and MORE can be found on this list of Dollar Tree coupon matchups!