Well, at least you are not under the gun to convert to all one type of grass. I am not either, but in most cases, it makes mowing, spraying and fertilizing much easier. That centipede lawn of mine is 10% bermuda. High mowing, acidification of the soil and Sethoxydim will be used to convert to 100% centipede.
They who can give up essential liberty to obtain a little temporary safety, deserve neither liberty nor safety.
Benjamin Franklin 1775
Sell not virtue to purchase wealth, nor Liberty to purchase power.
Benjamin Franklin Poor Richard's Almanac1738