Is it just me?

[Cozumeleno]

So, I submitted a Best Offer to a seller on a card for about a 20% discount from what a seller was asking. They rejected it (which was fine) but because I wanted the card so badly, I immediately sent another offer for literally a few bucks from what they were asking for. We're talking like 5% off here. They then rejected that offer, too, saying they wanted to see what other offers came in and that they 'just listed it'.

For some context here, we're talking a relatively low-dollar card here (under $100.00) that is not priced as a steal by any means. Seller is not on this board but one I've spent several hundred dollars with in the past few months.

Obviously, the seller has the right to do what they want, but to me, that's terrible business. I can understand having a firm price but when you have a Best Offer and you aren't willing to take an offer with a 5% discount on a low-dollar card because it came 'too quickly' (from a good customer, no less), it's just weird.

I could bite the bullet and pay the full price but the seller is using a Best Offer and I'm just sort of put off by the whole thing. To me, that should mean they should negotiate at least a little, right? I'm not jaded enough to say I won't buy from the seller at all. But what it did do is annoy me to the point where I will now refuse to pay their full asking price for it and will also avoid their auctions if/when it can be at all helped.

Maybe I'm just too close to the situation and being unreasonable.