Over frugal also no good.
Money earned is for spend and use.
No use after life.

Over frugal may affect health and social.
Health - refuse to buy healthy food (don't need to be expensive, just normal natural food) and consume cheap junk food. In the end, affect health when aging and more money spent on medical only. Penny wise, pound foolish.
Social - Too stingy can affect socialize with other people, not going out with people, too calculative until affecting friendship.

Spend within yours mean.
Frugal is good habit
Over frugal is not.

There are abandoned shops with nobody want to rent also.
Ain't we see a lot lately banner hanging around in some outskirt area?

Not all property are the same.
Property rental collection can be troublesome and risky also if there is bad tenant.