
Balance Transfer Cards — The Arithmetic Before the Offer
A 0% offer is not free. There is a transfer fee, a deadline, and a rule about new purchases that turns a good deal into an expensive one. The calculation, and the three traps.
Finance

A 0% offer is not free. There is a transfer fee, a deadline, and a rule about new purchases that turns a good deal into an expensive one. The calculation, and the three traps.

Interest is charged daily, not monthly, and carrying any balance quietly switches off the grace period on everything you buy afterwards. The mechanics, and the rule that costs people the most.

Cashback, points and miles are real money, but only for people who pay in full. Here is how to work out what a card is actually worth to you, and the maths that makes rewards a losing game.

Most credit score advice is folklore. Here is what the scoring factors really are, ranked by weight, and the common "tips" that do nothing or actively hurt.
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