I would say, "Cash in lieu of gifts would be appreciated."
Invite to wedding/wedding anniversaryDear ......You are cordially invited to ....... and ....'s weddingIt is on the ........The bride and groom would prefer money as a gift, rather than presents.Sincerly,....... and .....
money
The traditional wedding gift is money. They usually have a card box set up where you drop the envelope in. The amount you should give the happy couple is your choice.
When you go to a Bridal Shower then you give a gift and it's not considered a wedding gift. The Bridal Shower is a celebration for the Bride-to-be. Yes, you would place money in the wedding card box at the reception. Only put the money in that you can afford because the bride and groom should appreciate any amount.
a fool
no
Give your daughter the money by check and write on it at bottom left 'wedding gift' or give her the cash. There is no reason she would have to pay taxes on the money.
Some ideas for a Muslim wedding gift are small kitchen appliances or a set of nice Egyptian cotton washcloths and towels. Cash in a nice card would also be a welcome gift.
The 4th wedding anniversary gift would be flowers,& fruits.
The father of the bride and groom can give the wedding gift to them the day of the wedding at home or, they can leave the gift on the gift table at the wedding reception. However, if it is of cash value it is better to give the bride and groom the money before the wedding.
Even if you are paying for the rehearsal dinner for your son's wedding you should at least get your son and his bride a gift and if this is not appropriate for certain cultural weddings and money is the gift then give only what money you can afford.
Let your pocket and your feeligs for the groom be your guide.