How this would play out in my experience would be buying a property with maybe 8% rates of return, and making around $200 a month.. depending on the rate you get. 

If that is the case, then your credit and assets would play a roll too. 

What is the end play by not allowing an extension?

I have seen these things play out a hundred times.

I have learned several invaluable skills like marketing, sales, and the power of social media by being involved, but I'm not sure it's worth my time, especially still working full time with a toddler and plans for #2 soon.

We have been listening to hours (14+) of BP podcasts on our recent family vacation camping roadtrip and have learned about the power of brrrr.  

You could also run into bigfoot in the woods and play checkers with him, while sharing a nice bag of beef jerky. 

You play with the profitability with higher or lower down payment.

The real thing you'll want to think about with typical helocs is their staying power.

The power of a ranking website is priceless.. well.. in this case it is $80K in a few weeks...But who is counting..ARV $315KBuying price $190KCost Of Repairs $15K - $20KProfit: $80K +While holding the property it was nightmare after nightmare.