What’s the most mediocre hotel you’ve ever stayed in?

People on these kinds of subs always ask about the best and worst hotel experiences, but as a former hotel worker, I’m curious to know: what’s the most mediocre?

An experience you had that was so underwhelmingly average that made you think, “I’m really paying this much money for this?” Not bad, not good, but as “meh” for the money as it could be