I'm gonna throw a few books in there as well:- How to Invest in Real Estate, Josh Dorkin and Brandon Turner- Be Obsessed or Be Average, Grant Cardone- The Book on Investing in Real Estate with No and Low Money Down, Brandon Turner- Buy, Rehab, Rent, Refinance, Repeat - David Greene- Trump: The Art of the Deal - take a guess :)- The 10X Rule, Grant Cardone- Set for Life, Scott Trench

A good average to shoot for is 620 or higher.

My average is $150 per call.

Stockton, CA Average Home price Data From August-October 2021RedfinAugust $422,750 September $421,250 October $403,000ZillowAugust $421,000 September $429,000 October No infoRealtorAugust $425,500 September $420,000 October $400,000Sources:RedfinRealtorZillow

The more accurate way would be to estimate how many service calls your property will need each year(i average 1 per year per unit) and the cost to repaint between tenant turnovers.

You can cancel when you've made your decision, which, all things considered, is a very important one - ie don't skimp up front.You can use the low end of the averages if you want to be conservative.

The utility company will give average usage for the specific house.

I have not been able to hit 1% there but have been happy with a good balance of low cash flow, higher than average appreciation.  

@Joe Splitrock is correct, for the historical averages, although we are not in a normalized market by any stretch right now. 

Freddie Mac was recently predicting 3.7% average 30 year by Q4 2022  along with almost 7% annual price appreciation in their quarterly forecast. http://www.freddiemac.com/research/forecast/20211015_quarterly_economic_forecast.page?