Bukkit

What steps will reproduce the problem?
1. Being able to use a command after you have less than a certain amount of money
2.
3.

What is the expected output? What do you see instead?
n/a

What version of the product are you using?
latest

Do you have an error log of what happened?
n/a

Please provide any additional information below.

I am having a problem with my players being able to still do a command when they have under the defined amount. On my server it costs 30 coins to do /town expand. But as soon as they have 29 coins they can expand without getting taxed. Can you please fix this.