Creating a town
You can create a town by using /town create <town name> in the location where you want your town to be. Everything you need to know about your town can be seen by using /town.
Paying for upkeep
You will need to pay for upkeep, or the town will fall. You can deposit money into the town bank to pay for upkeep using /town deposit <£amount>.
To claim more area for your town, you will need to first deposit money into the town's bank using /town deposit <£amount> to be able to afford to claim new area. To view claim borders, hold F3+G. To claim an unclaimed chunk, stand in it and type /town claim