This is done quite frequently. 

Lower asset classes may have older buildings which may require more frequent upkeep, however the cash flow could be much greater than a higher asset class just due to the lower capital injection at the start of the process.Just make sure to account for all of your numbers when running a deal, and don't forget to add in number for maintenance and capital expenditures, because most people who don't account for those things are just fooling themselves. 

It seems I read on BP more frequently that apartment investing seems to be better overall than SFH investing.

(My hometown lets folks notify police for frequent drive-bys while they are out of town. 

People contact me frequently and say I am looking at ( Hotels, Industrial, Retail, Office, Multifamily, etc.)

Owners frequently forget that they ARE the HOA and they ARE in charge... 

I frequently hear people say something along the lines of "I get 15% rate of return, and that's not even considering my tax deduction so I know I'm making a killing". 

But, I frequently hear about how real estate investors should diversify.I don’t agree.As multifamily owner/operators, if we were to diversify across other cities/states for the sake of diversification then I believe we would actually incur more risk.

You will notice frequent posters on topics that have those keywords.

I just checked my house and it hadn't been updated for a long time so I am not sure if I can use this as a substitute for driving for dollars but maybe you could if you live in an area where google updates the info more frequently.