On the practical side, your guest is the deciding factor...earn or
lost depend on their ang bao.
I got a fd lost $9K (one family come give $120), while another
earn enough for a trip to Hongkong for 2 (One guest come
already $120).
Then tactically, u should invite the rich one, the bosses, even
they dun come the ang bao also big big, and they will inform u in
advance, so u can invite another person.
My Dad last time marry, earn about 12k, then divorce..then marry
again, earn 14k, then divorce again. Now he dun want to marry liao,
just take care me, ah ma and his mistress.