If the deal is good enough now for $300 and later at $6000 do the deal.

There is a floor of 0% so you never "lose" money. the key is to have good enough gains that cover cost of insurance and more cash to borrow from tax free in retirement or more to leave to your family.

What’s more it puts the responsibility on the mentor being “good enough” or their wisdom being “sage enough” to enable you to pull the trigger on a deal.

The for sale properties have been deemed in good enough condition, and desirable enough location to be eligible for sale.

If so, then he made the conscious decision that it was good enough for him to live there. 

Instead, I focus on the fundamentals of the property itself and try to get a good enough value that I can ride out the inevitable storms.

Using hard money is a little intimidating for a newbie like me but would definitely make sense if the deal is good enough. 

The market there is apparently good enough to support new builds of relatively large cabins (sleeping 20-30 people) for vacation rentals. 

Most people I know make the unit livable and good enough to hold.

I wouldn't use that as a definitive tool to set my rent rates, but I think it is good enough to give you a reasonable idea of what the rents will be.