for the record, you asked this stupid question: "What does wages have to do with Cancelo's departure?" googling a definition won't make you look smarter, especially when you don't answer your stupid question with it.
again, for the record, plusvalenza isn't ABOUT capital gains, it IS capital gains. one is an italian word for it, the other is an english. it's like explaining second striker with seconda punta. what you googled didn't answer your own stupid question, it just made more obvious that you have no idea what the fuck you're blabbering about.
and the answer to your stupid question is very simple: wages are costs, just like your electricity bills and purchase of players' registration rights, so to cover them,
you need some revenue. that's why you need to sell players sometimes. fucking obvious for anyone with a brain.
but but you found a definition. you're so smart.