MyConstant gift cards work like this:
For most retailers, you’ll get 3% cashback on the face value of the gift card if you buy before Thursday Feb 25th, 2021, at 9am PST. This is credited to your MyConstant balance as cashback immediately at the point of sale. After Jan 25th, the cashback amount might change or be removed.
Yes, the maximum you can order is $5,000 per month. However, you can extend this limit by $500 each time you refer a friend who signs up and deposits USD.