[MeganC]

Red paper money ($2 in a red envelope) is always a hit with my Chinese friends!

This year I used these great copper coins instead...

https://www.providentmetals.com/2020-year-of-the-rat-1-oz-copper-round.html

[Dacula]

Thank you Megan.

[ThanhPhero]

Small amounts of money in the celebratory envelopes you can buy at any oriental store. Give to young children and old folks.
In Việt Nam that is called Lì Xì (lee see). A five dollar bill or a two dollar bill. American dollar bills are considered particularly lucky especially if new and crisp.