I've got around 60 neighbours at the moment. I go through all of them and tip where possible, I even mark in a spreadsheet would I couldn't tip due to full tables so I can go back later and see if the player has cleared his/her table, and tip if possible... I also gift cappuchino every day and respond to all materials requests... To see if my efforts are worthwhile I also keep a record of who tips and gifts me... I notice some neighbours are only active in taking the tips from their tables ;-)
Clearly in such one-sided 'neighbourships' I'd like to remove these 'spongers' so I'm not wasting my time tipping them every day :-) How do I do that??
P.S if you tip and gift regularly (actually, gifting food, ideally cappuchino, is enough to keep me happy) then feel free to add me, I'll be a good neighbour ;-)
I used to gift Hot Chocolate because I read on this forum that this is the best gift, but a brief search in the gift options revealed that cappuchino is by far the superior gift, being 50 portions at 10coins per portion... i.e. 500 coins and not clogging the stock with low-value food... like Brownies ;-)