Depends on the person you want to end your friendship w some you need to ghost but in most cases you just slowly distance yourself from them until your contact is nonexistent or you confront them if you have the guts and you need to clear the air good luck lol reply
Either fading out aka both ghosting each other or talking to them. I'd recommend the latter as you have no guarantee that your friend also wants to end the relationship. In that case you'd be hurting their feelings and it'll just end worse and with unanswered questions. But since you have your reasons properly explaining why you don't like spending...... reply
Happened a couple time for me. Sometimes we just grew apart and sometimes it was for bad reasons. It honestly depends on the situation at the end of the day. If you just don't like hanging out with them then you can probably just tell them. "We used to be close but we just don't have much in common. I might not text you as often or hang out with yo...... reply