I have Discover, Discover Business, American Express, Master Card, and Bank of America Visa credit cards.
Until today I also had a Chase Visa Business credit card, which used to be Washington Mutual Business Visa Business credit card but was switched over when Chase took over WaMu late last year. None of my prior cards ever imposed "finance charges" for using the card if the balance as stated on the bill was paid in full by the due date. No one called my attention to this switch in policy (my cancelled Visa Business credit card still has the WaMu logo on it, not Chase).
Chase Visa imposes finance charges on purchases between the time that the purchase is made and the date that the bill is due/paid in full.
I called Chase Visa 800 number and this was explained to me (my bill showed a $1.30 finance charge for the preceding month even though I have always consistently paid the outstanding amount in full by the due date.
I cancelled my Chase Visa credit card and will not do business with them.
I then called my local bank branch (which is now Chase even though they still have the WaMu logos up) to ask about the policy and whether I could get a credit card through the bank (I really like the local service from the WaMu personnel there) that did not impose finance charges on purchase amounts between the date of the purchase and the due date for the bill. The local person called Chase Visa folks and was told (she called me back) that Chase doesn't impose finance charges on purchases if the balance is paid of in full in a timely manner.
I explained that such was precisely what happened to me.
I have substantial deposits in both personal and business accounts at Chase because I liked WaMu. i think Chase is at best unethical for not making its policies explicit, especially when I did not ask for their credit card - I was completely happy with WaMu. These new policies are driving me away from Chase.