I have run my 6-units at 30% of GSI as expenses, but a conservative number for analysis is 50%.Actual vacancies (imo which must be vigorously managed) is 1 month per year or 1/(6*12) 1.3% (whereas classical underwriting is 8-12%).LOCATION and your management style WILL heavily impact these metrics.

I rely heavily on my remote realtor to tie it all together, and have found excellent contractors just by going through the bidding process with several different ones.

I've spent the last 6 months or so digging in heavily to books, podcasts, attending my local REI, etc.

I've been heavily studying real estate for only 1 Month (aka reading BP blog & podcasts)...so I have no real experience in these situations.

After 10 years of investing starting from 2016 I should have XXX equity in my portfolio) Deal making: Flexibility during deal making would be key to growth (Operated vs Non Operated Venture) I am heavily debating (may be proposing) whether we all should start a holding company to run/maintain our individual homes.

Many people are saying that the Boulder Market has been heavily affected by the recent influx of transplants.

I invest very heavily in NW Indiana area and I disagree with the comments above.

I have been heavily involved in the Charlotte area and have been expanding in this area since the summer. 

David is correct, and I too heavily focus on investors and investment properties.

If you are in long then I believe all will work out and regardless you have the mortgage covered with the rent (assuming any downturn is similar and does not heavily effect the rents).