2, cigarettes, wine, sugar, according to the number of people to buy their own, boxes can be bought online, buy their own packaging (more economical).
Be sure to bring your wife when you buy home, such as bed, cupboard, refrigerator, washing machine, color TV, etc.
I don't know how to calculate your gold wares, but we handled them properly when we got engaged.
5, wedding dress, beauty, car decoration, photography (these can be found in the wedding company)
6. Remember to bring a bag for the best man to hold when you get married, and bring some red envelopes (whatever), cigarettes and candy.
7. Others should be subject to local customs. Ask more adults.