I would say effective age of the property might be a better measure.

@Justin Megna this may sound broad, but study every factor/variable that may have an effect on your investment strategy and specific target market.

My understanding is that the statewide eviction moratorium in CA is still effective until the end of this month.

That being said, I do recommend using a combination of letters, postcards, and flyers throughout your campaign so you can see what is most effective in your market.

I would like to hear some of the pros & cons of this strategy from anyone who has done this before and if this has been an effective strategy for you.

Eventually your cash flow from properties and job/business allow you to buy them faster and faster -- a snowball effect takes place. 

Are there any owners of properties effected by hurricane Ida in Louisiana?

At this time when you can borrow at rates that are literally less than the rate of inflation (they are effectively paying you to borrow money) you probably will not be getting much simpathy from lenders. 

Hi, does anyone know if CA is still in state of emergency and if penal code 396, where rent can't be increased more than 10% is in effect?

Something to the effect that the tenant can't/won't attribute the inability to pay rent due to COVID...