שבוע טוב everyone. Thank you for the great replies!
The Ink Cash gives 5% in office supply stores which carry amazon gift cards. A bit more work but if it isn't a big deal for you, try it.
It actually earns 5x UR points if you get one of the premium cards too. In that case it's easily a 10% return.
Do you mean I would need to get 2 cards? Maybe when I become more savvy...
Also, the discover IT cashback card earns 5% for 1 quarter of the year. The freedom flex usually does too (or 5x UR).
But the Amazon store card earns 5% year-round.
Amex offer... 10 ppd
Please explain? Or give me the link for the offer.
Sounds like a bit much for
How much spending are you planning on doing? It might pay to get an amazon prime account and go for Amazon's card.
Are you potentially going to want to use it for other things? Something to consider..
How much do you value UR points? Do you travel often? There's no one size fits all IMHO 
I agree that that suggestion is a bit much for me. But wow, 10%...might be worthwhile for me to learn.
Not sure how much I spend, but seems like most of my shopping these days is on Amazon.
I don't travel often. That's why I want to earn cashback rather than miles.
IINM Amazon also has a 3% back card that doesn't require prime.
Yes. Pretty good alternative, I guess.
If your spending over 5k annually it pays to get prime... (5000 x 2% = 100)
That's a good way to decide.
why don't you just have your sister add you as a household member and then you can have your own prime account for free.
Link to add household member
https://www.amazon.com/myh/manage?_encoding=UTF8&ref_=ya_myh_mob_web
This might be the best thing for me to do. I'll ask her.