If a sell/owner was to carry a loan through the sale of real estate property, can that seller take out mortgage insurance on the buyer?

My insurance agent told me the vacant home policy is applicable if I go the first route and builders risk if I go the second route (tear down to basement foundation).

You buy it and fix up the renter's side first, and let's say you manage to rent it for $1000/monthly, but $750 of that goes to expenses - mortgage, loans to fix it, insurance, etc - so you have $250/month to go along with your $20k/annual, so by year 3 you have enough to buy a second unit. 

There's a healthy investment to get certified, insurance, etc so wanted to get a temperature gauge before diving in. 

In my analysis, I'm assuming a 30 year loan with 25% down, 10% for vacancy, 10% for property management, 10% for repairs, and 5% capex (+ water/sewer, garbage, lawn care, and insurance).

The business seems much larger, since there is 17 locations in the area and was told there are thousands of offices nationwide...Commission:level 1: $0-$25k 60%level 2: $25k-50k 65%level 3: 50k-70k 70%level 4: 70k-100k 75%level 5: 100k-150k 80%level 6: 150k-175k 85%Level 7: 175k +     90%Fees:$300/yr, E/O insurance$100, new agent setup fee$75/mth, marketing fee$72/per 1000 business cards$18/per name badge$225, FAR/NAR Membership initiation fee$460/yr FAR/NAR annual membership dues$90, MLS setup fee$350/yr MLS annual membership dues$50, supra key setup fee$275/yr, Supra key annual membership dues$110, lockbox purchaseFlorida Luxury Realty from the beginning was kinda hidden off the road, the office is hidden in the back of a business complex in regards to the one office i specifically went to, its very clean and professional looking, just the office overall is not very lit up or fresh looking...and when i dropped in there was noone at the location outside of the clerical person at the front desk from what i could tell, most of the office was completely dark...

I've invested in South Africa, and are now looking at places with more stable currencies and specifically the USA.

Expenses (in addition to P&I, insurance and taxes) being 3% vacancy, 5% repairs, 10% cap ex, 7% property management.  

Greetings All,A few newbie questions here regarding purchasing foreclosures at auction, specifically in Gwinnett County, GA: - How is title insurance typically purchased on a won bid?  

I am interested in a variety of investments, flips, rehabs, stable income, etc. and looking to partner with some experienced investors.