If the later, then set a timeline for say 5 years (don't care how long) and then sell and go your separate ways.I do have a business partner/friend on the investment side and we have three properties/ten doors together.

Owners care more for their property and usually keep up with capital expenditures.

Would you care to share the names and contact info for people you may have utilized to make the returns visualized in your post available?

You could explore a home equity line of credit (HELOC).Just have to be careful to NOT get in over your head in debt and go bust!

Conventional investment property loan3.

BE CAREFUL LENDERS & BROKERS Everyone wants to be an EMD lender or Transactional Lender…but here is a quick way to lose hundreds or MILLIONS in 1 wire!!

Hello Everyone, I am seeking a lender to help me refinance(conventional loan) my manufactured home.

Might make sense to keep it if you have super low interest rate and around 2000sqft or less.Some great groups have been mentioned here, but be careful who you meet with. 

Also I would make sure that I screen my tenants carefully

They're typically more expensive than a bank or conventional financing but can close much faster and tend to accept borrowers who can't achieve bank financing.