I put in that I wanted a bid limit of $400 and covered that would my card. When I looked back on the site it said my bid limit was $4000. I not sure how it works but I do not want to pay $4000 for a truck work only $400 to me.

You do have a deposit of $400 available through your credit card which will make your “bidding limit” show at $4,000. Please do not confuse bidding limit and your actual bid. They are two different things. Bidding limits lets you bid UP-to that amount ($4,000) where your bid is what you actually put in when you bid on a particular item which in your case is $300. Read more