What is there to trust about an auction? More than once at an in-person auction, there was back-and-forth bidding between 2 people but I could only see one. The "other" was at the back of the crowd. How does one ever know if the other is a real bidder and not a stooge or shill for the auctioneer? How are online auctions actually different?
At least with an online auction, I don't have to stand around all day waiting for the few things I'm interested in to come up for sale. And if two auctions are closing on the same day, I can still 'attend' both.
I've bought quite a bit of my metalworking stuff via online auctions. I've had some excellent deals and only a couple of purchases that were a serious disappointment. About the same ratio as when I was buying woodworking stuff at in-person auctions.
Either way, the best approach is to look at each lot and set a price limit that _you_ are OK to pay. Remember that every dollar you bid comes along with buyers premium and tax. It you don't get it at your price, shrug and wait for the next similar lot to come along.
Craig
Remember in-person auctions where, during the preview, folks would 'bury' something valuable in a crappy box lot? Then buy the lot for scrap value and 'find' the buried item? Yeah, good times.