To not lose money, have a negative cash flow, be underwater in your mortgage (owe more on your mortgage than the property market value ) analyze at least 10 properties cash on cash, ROI (return on investment), Internal rate of return (IRR), capitalization rate (cap rate), rent to value, debt coverage (DCR), Gross rent multiplier (GRM) are some ratios used in property analysis of SFR or MF rental investments.

If a income property can not still cash flow with 100% financing it is a poor investment as a income property.By using leverage you maximise your returns multiple fold.Partner with your father, his money, your management and purchase 5 properties with leverage instead of one with cash and multiply your returns 10 fold. 

Average out the price per sqft of your comps and then multiply that number by sqft of subject property.Go to some local meetups and network with an agent (access to MLS).

Do I only pay taxes on 7/24 (7 months under the 24 needed to avoid taxes) - So profit of 100K cap gains tax is 50% - $50K multiplied by 29% (7/24) = $15K in taxes rather than $50K.

South Florida to be exact, deals are here you may have to multiply your search efforts.

approach this is just to multiply $122 by 12, divide by $8,000, and ask yourself if you can put that $8k to work earning more than that, in which case you'd come out ahead via arbitrage. 

So, if you do the math, Each agent looks at about 600 addresses a week, or 18,000 a month, and cherry picks the best 5-6 deals... multiplied by the number of agents per office...

To figure out the price of dirt for a new home, you take the sale price of what a new const. home would sell there (based on actual sold comps, not Redfin or Zillow), and multiply that by 25%.

On the BP podcasts Brandon talks a lot about cash flowing $200/unit per month, taking half of that for retirement planning, and then multiplying that to get to your goal of income per month.

What's the gross rent multiplier at current rents?