I can sell plots for 2 cities. One has a portal and the other doesn't but is right next door and I can tp. So here's the info.

CHINATOWN (Portal)
10x10 1000

BRECKENRIDGE (NO portal)
10x10 1000
10x20 2000
20x20 4000

Each city does spleef, free repairs, tps, and water placement.