They talk about storing money in the contract.

Does this mean I will be "charged" right in the moment I "store" money in the contract?

Or does it mean I'll be charged when the contract gets "destroyed" and the money "in the contract" is sent to some address?

I'm asking because both sides have problems.

If I don't get charged when storing money in the cotract, I could spend it elsewhere until the contract resolves.

If I get charged when storing money, someone could write contracts that never resolve to purge money.