Hello all!

I was just recently approached with the proposition of beginning a career in REI and have spent the last week reading literally everything I can get my hands on, which has naturally led to a number of questions. I'm confident I have the strategic/logical mind and the people skills to make this work, but am just lacking the knowledge. ???
One big question I have is this:
If you can acquire a Hard Money Loan for more then what you will carry on the house (Property is retailed at 100,000 and loan is acquired for 80,000 - sales price negotiated at 70,000), it will put $10,000 in your pocket today. But why would you want to do this? (Or does my lack of knowlege have this entire scenario thrown off?). Especially if I have a Lease-Option agreement lined-up with a buyer for 115,000.
The way I see it, I can take the 10K now and pay the points on it over the life of the loan or until the property is purchased or only use what I need and take it on the back end with no interest.
If the house is not purchased for a few years, then wouldn't be better to keep the interest money?
Can someone please explain why it is more beneficial to walk with that money at closing?
I'm really looking forward to getting into this and learning as much as I can. My goal is to close out a house within the next two months and turn it for a profit by mid-year.
Again, HELLO! And I can't wait to get started.

LR