Just a suggestion to talk with MJ or mopar about best way to handle a 21 print auction. Ive seen plenty go sideways. If 30 people bid 5 times each thats 150 posts. Nearly impossible to keep track of. You may have to auction 5 at a time or just sell at the price you want.
Yeah, it usually gets a bit crazy at the end when bids start coming in for each lot every few seconds.
It is doable, but sorting the bids and declaring winners does take some time.
Best bet is for interested bidders to focus on a certain lot(s) as a lot of the confusion sets in when people start bidding on a certain lot, get outbid and then switch to a different lot with a lower price.