Posted By:
identify7I guess that I am thinking a bit differently on this subject. Shipping costs are factored into my bid amount.
I never even consider what stamps are on the envelope.
This seems to be a trivial pursuit, imho. After all, the top loaders, sleeves, tape, fuel cost to the post office, wear and tear on your shoes, nerves, and free time, etc. all have to be factored in.