Interesting... I think you can offer it as a discount after the buyer pays for the auction.

I'm not a lawyer so I will defer to a 501c3 specialist on the topic of IRS regulations that govern
what percentage of working budget can be "unrelated business income". But there is a place
for it in most not for profits. It is usually called "sustainable revenue". Are there any not for profit
Tax lawyers here? You never want to put your Money over your Mission, but for us, I believe there
is money on the table that we can take advantage of.