I would also charge a lot more than I would for a residential rental.Honestly, I wouldn't recommend it unless you've really studied it and understand how to protect yourself and earn fair compensation.

Is there any online services/tools where I can do the above DIY?

.### Additional Tips:- Conduct a market assessment to ensure this conversion makes financial sense.

Am I better of just running my own rental comps instead of using the HUD User site?

If you've given the tenant a discount, you've lost income.If you are going to offer a discount for a full year of rent paid in advance, I recommend you have an attorney draw up a strong clause that says the tenant forfeits the discount if they leave early. 

List subscriptionIf you search the BP site, you will find alot of information on each subject.What you CAN NOT do is tell someone, "Hey I'll give you $1,000 if I end up buying the house"Feel free to msg me anytime.Keep in mind I am not an attorney, and this is not legal advice.

The formula will need to be adjusted based on the market it is in.In California, the 70% figure could go as high as 80% or 85%.

Any list you can pull for a few bucks has already been hammered by hordes of investors before you.Not saying this way can't work, but I recommend a different path...I prefer to focus on sellers who have a reason to sell but who require some effort and skill to identify.My favorites are #TiredLandlords, namely owners who have filed an eviction lawsuit against their non-paying tenants.Many of these folks are through being in the rental business and are open to hearing about a way out.Even better, #TiredLandlords are ideal candidates for seller financing, since they don't need the sale proceeds to buy another house, PLUS they are already conditioned to receiving monthly payments over a period of time.

Settlement shall occur within, or at such other site as the Buyer may select, provided that the Buyer shall have given the Seller at least five (5) calendar days advance written notice thereof.  

As far as how, google home inspection company recommendations in X city, then call one to set up an inspection.