After his initial reaction, Mr. Evil has some time to think. He calls you on the phone with a new plan. “OK,” he says. “I don’t need to be able to tunnel to the bank today, but I need to be able to do it within the next 30 years. I have access to a house that is much closer. I need to know if it will be close enough.” What do you need to know in order to answer him? Under what conditions would this new property be close enough to the bank?

So he is asking, abstractly, from lack of context, if his house is close enough to the bank?

This makes little sense, abstractly. I mean, does he live in a post-apocalyptic Mad Max setting where he needs explosives and men or perhaps a frozen-over world where he needs large steam-powered engines to drill through the permafrost? It makes little substantiated sense.

So you need to know how much money he has, his charisma level, and the setting of the plot.

If the property is next to the bank, then it would be, by far, close enough to the bank.

Explanation:

The third one