Earlier I wrote about the value of car parking spaces.

Q.: "So, if I add more and more parking spaces I can increase the turnover?"

A.: "Well, yes up to a point."

Once you reach the optimal number of parking spaces adding more would not increase your turnover and not your profit. Too many would reduce your initial profit.

But, what are the optimal number of car parking spaces?

The proper answer to this question will fill a whole page and a half of the handbook and you should look there for the full story.

Here I just want to raise a few points to consider: