I'm genuinely interested in people's views on this so will briefly describe what brought me to this question.
I have a friend of many years who I'm very fond of. Lives in UK so we only see each other twice yearly at most. We're older, reasonably well off financially, so we generally hook up to do a city break somewhere. My friend is, to put it bluntly, very tight with money. Costs are strict 50/50, no treating each other. Which is perfectly fine at neutral venues. But she likes to visit me and extends the 50/50 rule when staying at my house. Pays her way, no question, but not a cent over. No question of taking me for dinner, or even lunch [we always eat out on these visits/trips] or giving a small gift for the hospitality. I've only been to her once and to be fair she was very nice and hospitable, in a non spending way. Because I was brought up to be generous as a guest, I was paying for most of the meals out etc [and she was happy to let me]. I tend to be the other extreme as it was drilled into me growing up, "never walk into a house hands hanging" etc.
She's recently left after another such visit. I can't help feeling disappointed by her but I guess that's how she is.
What do people think? A tight ass or is 50/50 fair enough?