Approximately how much effort PER WEEK do you put into your nano tank?

[on_ice]

Before I try to get my 24 gallon nano cube together, I want to know how much effort you guys put into your tank. I am in school and my home town is 3 hours away. That means that for certain holidays and such I may not be able to take care of it for short periods of time. I am also very busy with school and my part time job. What kind of effort would I be in for? Its a 24 gallon nano tank with stock lighting and it will pretty much be a FOWLR tank.