Sounds like they're offing you a pair of loans.

The lots are called "currency" land, investors in a 1031 exchange use them to balance a trade. 

For repairs like roofing, siding, decks, etc expect that they will want more $ upfront because of materials which would be different than repairs that are more labor intensive and can be paired against rough/final inspection milestones.2.

Now concerning market risk of a deployment, natural disaster, collapse of the currency or running out of oil or anything.  

I know it can be done because I've sat on google translate to annotate German tax returns into English, along with past-dated USD currency conversions to get a loan through, but yeah this is one where you need to shop primarily the competence of the lender, and shop it hard.

I recently found you guys through some forum posts on Mrmoneymustache.com, and I found MMM through the Chronicle of Higher Education, in fact.We've owned a pair of two-flats for over 10 years now in the Madison area, and we also own a single family house in Eau Claire (where we lived for a couple of years).

Down payment funds can be borrowed, and you can pair this with a Fannie/Freddie loan, provided you structure it right and check all the little boxes.

One other thought...my first investment was in a pair of parking spaces also in Lincoln Park.

If cryptocurrency is just another currency, then accepting it is no different than, say, accepting Euros, Canadian Dollars or British Pounds for your vacation rental then converting to USD.

Heck, I need to locate a few pair of new winter gloves