The quantity of units is a logical fallacy.

My first few connections in REI came from your meetup and I can't quantity how much they have helped me launch my investing journey.I'm excited to see what crazy milestones you'll reach this year.

Go to the dealership and check the top sellers of the month, dealership tend to give promotions for the top salesman of the month which is based on the quantity of cars they sold and not the "$".

It’s not the quantity that matters it’s the quality!

Because they invest in bulk quantities, almost everything that can be discounted costs 10-25% less than it would to investors doing it on their own or outside the group.

That implies monthly income for any single one of at least 3x that, or basically $2800 (originally divided the monthly rent by three since that is the roommate quantity, and then multiply result by 3 for minimum qualifying income per month).

I deal with very large quantities of data, over 75GB currently, and to this point Windows/MS has more than proved that it cannot handle large volumes of data. 

If you think that their activities go beyond recreational use (large quantities in the house, visible scales or bags, people coming and going in excess) it's time for a more serious conversation. 

Quantity and quality are not the same. 

As Account Closed pointed out its a cash flow play with historic stable values IE they don't move one way or the other much.. so the play there is a lot of them and get them paid off as soon as possible.. do NOT take any of the cash flow all cash flow and excess money you can throw at them should be used to pay down the mortgages.. were you really do well in those areas is when they are paid for and you have a quantity of them..