I've noticed that I lose money from not beeing online. I guess that's bc of some tax plugin. Just wondering what it is, and why we have it.
Noobstown as a server doesn't currently have any tax on players, as sir_Andrew99876 indicated it might be that your town or a town which has an embassy you own is charging a tax though, just check your own town and any you've got plots in.
However also as sir_Andrew99876 said, it is most likely you're losing the money from a shop, check any chestshops you've made and make sure they're a sensible price, etc. If you're still experiencing issues after that let me know and I'll look into it for you