There several that offer courses on-line, some combination on-line and class-work, and others the traditional "classroom " options.

You need very little cash, as opposed to other traditional REI methods and it has potential to provide a nice cash flow.

Because the buyer cannot qualify for traditional financing and needs to go the owner finance route, I decide that I am going to sell the house to them for 110k and add 2% interest on top of the monthly payment (I have read a lot about how sales prices can be higher for owner-finance deals, but have also read the contrary).

Traditional mortgage brokers will not be able to help.

Normally I don't socialize with my tenants but they were paid up for the next 6 months so I decided to take him up on it.We had such a good time we decided to make a weekly tradition of going out for wings and by the end of the lease we had become such good friends not only did we get wings weekly but they also invited me to go on vacation with them and they invited me to be a part of their wedding at an inclusive resort.They only rented from me for 14 months and they got a heck of a deal but they are now lifelong friends.

Once I grasp the different traditional forms of financing then and only then can I become creative without worrying about going to jail, getting a divorce, or those other horrible things you mentioned. :) Thanks for the brute honesty.

Now I'm wondering if the HELOC with effect my DTI and not allow me to get a traditional mortgage for the rest of the amount.

If you have traditional rentals where depreciation (as April points out), etc could help offset the note interest income, that would be an idea to explore; however most note investors get into this area to avoid dealing with the tasks associated with traditional rentals.There are pros and cons to doing S-corps as with anything and it will depend on your personal situation if it makes sense to do. 

Most big box stores would carry such a roofer product,,,as well as most all lumber yards of traditional flavor.My concern would be,,,can you walk on that without dimpling? 

To Everyone My Name is Maurice I'm an acquisition manager for an investment Company out of Philadelphia called TruVision Investment we are making attempts to build professional network relationships with Real Action Takers Investors in the  Greater Philadelphia Area And Expand into other Markets through dynamic Marketing  and completely streamline a wholesale operation through automation along with the tradition ways of  Real estate investing investing we look forward to doing a ton of business in the Philadelphia market!