I am looking for suggestions on how to structure a partnership (short term) that will benefit him but allow me to be dissolve our partnership after a couple years as he isn't interested in long term holds. 

Additionally, I would suggest you run some financial calculations such as cash on cash return as well as any appreciation from the asset if/when you sell.

I realize that there are variables from market to market and property to property that could make VRBO more effective for a given property, but my understanding is that in general Airbnb bookings get out to such a dominant start in regard to percentage of the bookings, that VRBO and other lesser OTAs have trouble catching up.

I would suggest starting with what types of investments you would like to get into and goals.

Here are a few suggestions on how you can maximize the wealth of information available: Check out the blogs and podcasts, or take advantage of the search feature (magnifying glass).

They can also guide you in choosing properties that appeal to dependable tenant demographics.Access to Reliable VendorsProperty managers have established networks of cost-effective contractors for renovations and repairs.

Not sure if the upstairs tenant (heavyset person with a dog) plays a role.Seeking suggestions.

How keep it legal of course but more importantly how to do if effectively.

If you acquire one new property each year, you could significantly increase your wealth and potentially position yourself to qualify for larger investments, like apartment buildings or construction loans, within 10 years.I’ve worked with clients who have successfully implemented this strategy, and it has proven to be an effective path to building long-term financial freedom through real estate.Good luck with your decision!

However if you aren't doing mass scale, we definitely suggest letting the contractor handle material purchasing.As long as the client has all of the materials at the jobsite, place them where they go, they are all the correct type/fit and there are all of the misc parts (adapters/special hardware/etc) needed to do the install.