Will my current credit card's interest rate affect the rate I get on a new card?

The rate on one card makes no difference on what rate you get on a different card. What will make the difference is your creditworthiness. Since the credit union determined your creditworthiness justified the higher rate for the existing card, they probably won't give you a better rate on a second card. Why not just ask for a lower rate on the existing account?

Don't put all your eggs in one basket. Get your second card from a different bank. You will have a better chance at a lower rate and won't be stuck with future term changes of just one card source.

in the event that they discover out? it is going to teach on your credit report settled for below finished. All enjoying cards which you have will pull credit information as a remember of enterprise a minimum of a million time a 300 and sixty 5 days

When dealing with credit it is best to deal with the creditor themselves.