I have heaps, but sadly as I get my groceries delivered( no car, and no panniers big enough on bike) I keep getting more of those recyclable but annoying starch plastic bags. GRRR.
I found that the recycle bags tend to break when you fill them with more than 30 apples ( I live on apples!)
When I buy veggies and stuff, I only use them for loose beans etc also, I mean their dirty to begin with, more dirt isnt going to hurt. I just pile them on the belt.
I never worry about what check out people think - Ive been one of them , They are usually thinking,please get me out of here , my arms and feet are KILLING me.