Some other investment loan programs allow gift funds, so there are options out there besides conventional financing. 

You will then have a few options with that rent money....you can put it into principal or you can start saving it to purchase yet another property.

Calculator should provide amount of conversion  tax payments needed, one or multiple conversion options,  Medicare IRMAA impacts, various investment percentages of Roth growth vs IRA growth, and RMD amounts with associated tax bill.I’ve seen numerous CFPs hawk their services for $5,000 or more.  

If you've got the deal expertise, a money partner would bring the funds for you to close deals.If you've got your own money, an experienced operator would help you source and underwrite deals.

Now a permanent buy down option (where they just pay points in a traditional manner) can solve some minor DTI issues.  

Test them out, if they aren't good try another option until you find the right fit. 

OK, I would urge you to be very, very careful here...Certain operating expenses are paid monthly from lender escrow, so it's easy to assume that any costs not paid this way are somehow "optional."

Considering your situation and goals, here are some insights to help you navigate your options:1.

Check out pinithome.com as another good source for sold data if you happen to be interested in buying or selling in the GTA (Toronto, Canada and surrounding suburbs)

This is the simplest option because then you can utilize hard money.