The key words are in bold. When someone says they make do, it means they just barely have enough money. It means if they are thrifty they have enough money for the most important things, but not enough for more than the basics.
Since she has very little time, I would say that the woman thinks that the man wants to know if she has enough time to do it, but what he actually wants to know is if she has enough money. Why else would he ask: But do you make enough money for everything you do?