How many items can you sell before you should pay vendor fees?

OK, my 2 cents worth. I believe the people who sell a lot of parts on FABO are doing us a huge favor. For one thing, they attract a lot of hits to the site by people who start out looking for a few parts and may wind up staying. Also, how often does someone post a Part Wanted request that is answered by one of the frequent sellers. If we start putting limits on these people, that would hurt a lot of us. Before I was on FABO, I bought a rough but running 69 Barracuda 340 4 speed fastback just for 4 speed setup. I converted my car to a 4 speed with the parts car, and then parted the rest of it out on Ebay. I sold several hundred parts, and wound up getting a free 4 speed conversion and making about a thousand dollars clear profit. If FABO stopped us from being able to part out a car like that, It would hurt the ability of a lot of guys to upgrade their cars. We should be thanking them for helping to keep the forum vibrant and active.