Personally, I don't get why everyone is so caught up in the map switching. Someone care to explain it? Sure I understand the benefits of a valet, or even anti theft map.
But really, one map is all thats needed. Economy? well, thats going to be a completly different area of mapping to power, so you can have both! The tuner is only going to change areas of the map you ask him to. If you ask for the bottom end to remain stock, then it will be.
Its like having +11ty boost levels. Why bother, drive with your right foot!