That's the reality of the situation; that's an accurate summary. A: "So, you'll need to start looking for a new house then, huh?" B: "Yep, that's about the size of it."That's about the size of it—we only have the budget to keep one of you on the team.
That’s about the size of it
sent. That is the way things are.; That’s all there is to tell. Well, that’s about the size of it. See you tomorrow.