paying a sellers paypal fees

Thought this site was about helping each other out. Why would we nickle and dime one another. Many good people on here have sent items to others for little or no cost and they have even absorbed shipping costs etc. Not saying things should be free but too many people here seem to be looking to make a fast buck and don't mind screwing the other guy! Be fair with one another, you may need the help one day to.

the seller is most likely already selling the part at a good discount so why should the seller lose even more money? thats just stupid..

most sellers are selling to fund their projects. its the way the hobby works.. how are you screwing someone by making them absorb a simple paypal fee?