Depends on your financial reserves, risk tolerance, and long-term investment strategy.

Buy less, but buy better most folks here and in the world cannot tolerate the risk of scale for 10-15 properties.

And I dont have to tolerate someone with no clue of what a project is about starting to offer useless forecastings about success rates.

much better and more tolerated than the old coin ones

Passive investors will find these homes excellent because they are usually completely refurbished and managed by a turnkey supplier.Planning meticulously, knowing your investment objectives and risk tolerance, and conducting in-depth research are all essential for success in real estate investing, whether you're investing in California or out-of-state.

Not many people will have the risk tolerance to bring the cash into a deal with someone they don't know.

There is higher risk here, so it's based on what your risk tolerance is.

Will depend on several factors like the type of property, type of tenants, your risk tolerance, other assets you own, your estate planning, laws where the property is located, etc.

That will depend on your risk tolerance. 

Then it is important to know what is your investment strategy, risk tolerance, and time that you are going to dedicate in the game.