Amazon voucher from Amex gyftr

Is it really making sense to go for reward multiplier by doing 1500 tnx * 4 for 1000 reward points.

Why are rules changing every other month.

Any work around anyone can think of ?

I have amex mrcc and i buy 1500 amazon pay voucher every month.

Is it really making sense to go for reward multiplier by doing 1500 tnx * 4 for 1000 reward points.

Why are rules changing every other month.

Any work around anyone can think of ?

I have amex mrcc and i buy 1500 amazon pay voucher every month.