How much does a road trip from Florida to Maine cost & what can we do?

Question by Steph Andrea: How much does a road trip from Florida to Maine cost & what can we do?
My friend & I are planning a trip from Florida to Maine and we’re wondering how much it would cost. Also, what are some interesting things we can do in these states:

Georgia, North/South Carolina, Virginia, Maryland/Washington DC, Pennsylvania, New York/New York City, Connecticut, Massachusetts, New Hampshire, Maine, Vermont, Kentucky, Tennessee

Any suggestions are appreciated!

Best answer:

Answer by S. J
About $ 100 per day average . . . . unless you sleep in the car !

Know better? Leave your own answer in the comments!