A second point doesn't double the first one's problems — it multiplies them differently. Every point has its own till, its own employees, its own flow of guests, and the Owner still needs to see both the details of each one and the overall picture across the whole business at once.

Points' Tills Shouldn't Mix
Cash at one point physically has nothing to do with cash at another — if the system (or spreadsheet) doesn't strictly separate them, sooner or later the question "where is this money, exactly" comes up with no clear answer. A collection at one point shouldn't affect another point's balance, even if it's the same Owner picking up cash on the same day.
Points Need to Be Compared Honestly, Not Just by Revenue
A point with five zones will almost always bring in more money than a point with two — that doesn't mean the second one is doing worse. For decisions (close, expand, change rates) to be made sensibly, the comparison needs to account for each point's structure, not just line up the final totals at the end of the month.
An Employee Should See Their Own Point, Not the One Next Door
As the number of points grows, so does the number of employees, and with it the risk that someone ends up, by mistake or not, with access somewhere they shouldn't be. Separation by point needs to be built in, not held together by trust or by a separate "don't go in there" instruction.
The Big Picture Isn't a Sum of Exports From Different Places
When every point has its own file or its own way of tracking things, pulling them into one picture is a separate job that eats up time and almost guarantees mistakes when numbers are copied over by hand. If every point lives in one system from the start, a combined report is just a filter, not a separate project at the end of the month.
Spotting a Weak Point Early Is Worth More Than It Seems
A struggling point rarely "breaks" all at once — it usually sags slowly: revenue a bit lower, till discrepancies a bit more frequent, a few more complaints. You can only catch that if comparing points is a routine, not a one-off procedure. The later the Owner sees the problem, the more it costs by the time it's finally visible to the naked eye.