Sufficient infrastructure: Companies select locations with major airports, highways, and a large population of potential workers.

If you are just partnering on a deal by deal basis then one attorney that both parties feel comfortable with is probably sufficient.

My goal is to support the Black community to become self-sufficient, self-reliant, and self-determinant.

However, in my market house values were outpacing my ability to save sufficient funds. 

Reporting is regular and sufficient.

Our rent-by-the room residents appreciate a lockable bedroom door, a private bathroom, sufficient on-site parking, a large refrigerator and a large washer and dryer (in order of most to least important).

If you want to be completely self-sufficient, you're willing to build an Earthbag home or another building that can be earthquake proofed but can still be run without public utilities, you can spend a ton of money on a well and can have that well water processed to remove contaminated mine crap, you have a great off-road vehicle and you can figure out how to deal with the flooding without redirecting that water onto someone else's land then you can definitely live there.If it's an Investment you're after, give that up.

Otherwise, his rental portfolio is sufficient to sustain him.

Winter doesn't bring too much extra cost as long as the home doesn't have outdated appliances and has sufficient insulation.

Only in a very narrow set of situations - such as 'if' the spread between the interest rate on your HELoC and your mortgage financing was sufficiently  favourable to the HELoC - could the HELoC approach yield a better outcome than regular pre-payment of your mortgage.