Underwriting tips I wish I knew earlierA few simple things that’ve saved me headaches:Run rent comps for each unit separately (don’t just double a single-family rent)Budget for maintenance and vacancy, even if the place looks greatAsk about big-ticket items early (roof, HVAC, plumbing, sewer line)Quick reality check I like to use:Take your total monthly rent and multiply by about 0.75–0.8.

That’s exactly what tax planning is for, to take all those variables into account so you can know exactly how much you can save.For a $1M STR, you could assume 20–25% cost segregation, 15–25% land allocation based on county assessor data, and apply the current bonus depreciation percentage to the depreciable basis, then multiply by the high-earning spouse’s marginal tax rate.

And when talking a daisy-chain of extreme what-if's, with each layer to that what-if you multiply the improbability of it ever happening. 

For estimating payments, a simple interest-only calculator works by multiplying the drawn balance by the rate and divide by 12. 

The same basic principle applies in situations requiring a gun only multiplied 10X: if you draw your gun you've already lost and if you're in a shootout you should expect to be shot.To address the actual question though "What is best, concealed carry, open carry or no carry?"

With no leverage, there is no leverage multiplier. https://fred.stlouisfed.org/series/ASPUS6% from cash flow + 3.3% + 3.8 is 13.1% which is less than recent history of the S&P and less than half what I expect from RE investing.RE is a lot of work.

Thus, because I hired Latchel, the amount of work I had to do for a relatively straightforward task was multiplied--the exact opposite result Latchel promised.

You multiply it by 110%.

Mentorships sounds like something that will multiply my learning process.

@Carlos Ptriawan In your example, 5/14 of the gain would be taxable, meaning 9/14 would be multiplied by the total gain to determine the amount excludable.