I haven't rounded to the nearest dollar in over 10 years, using credit cards. The only time I cared about rounding was when I paid in cash. I always fill to t

I haven't rounded to the nearest dollar in over 10 years, using credit cards. The only time I cared about rounding was when I paid in cash. I always fill to the brim, as I value my time more than the incremental value that half a tank of gas will do for me. Obviously it's not the same for everyone.