Credit cards are free money. Seriously. The trick is stupid simple — only buy stuff you can already afford and pay it off right away. That's it. Zero interest, and now every coffee, grocery run, and flight is earning you cash back or travel points for doing literally nothing different.
You also get perks debit cards could never: fraud protection, extended warranties, travel insurance, lounge access, and hundreds of dollars in annual credits that make premium cards pay for themselves. If you're a new immigrant, a no-annual-fee card is one of the best first moves — it starts building your credit history from day one, which you'll need for apartments, car loans, and pretty much everything.
Here's every card in my wallet and why I carry it. Referral links help us both if any catch your eye.

Card Network: Visa
Annual fee: $395

Card Network: American Express
Annual fee: $895

Card Network: American Express
Annual fee: $325

Card Network: American Express
Annual fee: $0

Card Network: Mastercard
Annual fee: $0

Card Network: Visa
Annual fee: $0

Card Network: Visa
Annual fee: $0

Card Network: Mastercard (Goldman Sachs)
Annual fee: $0

Card Network: Mastercard
Annual fee: $0

Card Network: Visa
Annual fee: $0
Rakuten gives you cashback at thousands of stores just by clicking through their portal before you shop. The best part — you can link it to your Amex Membership Rewards, Bilt Rewards, or just take straight cash via check or PayPal. I use it on every online purchase and it adds up fast.
I use MaxRewards to track all my credit cards in one place. It shows you the best card to use for every purchase category, automatically activates hidden offers on your cards (like Amex Offers and Chase Offers), tracks all your benefits and credits so you never miss one, and more.
I'm planning to write a post about finding cheap flights using award points. Tools like seats.aero, Roame, Point.me, and Daily Drop make it way easier to search for award availability across airlines. Daily Drop also has a great transfer partners cheat sheet that shows you exactly where your points can go.
I also want to cover how to actually get your money's worth from premium cards like the Amex Platinum or Chase Sapphire Reserve. For example how stack credits through gift cards (Lululemon, United Airlines, Resy restaurants) and use UseYourCredits to find eligible spots near you.
And if you want to stay on top of rotating offers on your cards (Amex Offers, Chase Offers, etc.), check out Offer.love — it tracks all active offers across your cards in one place.