In short, he could simply not return the money or the profit by saying that he had reasons of force majeure, without clarifying any additional details.

Same result as above.A third alternative is forced inflation.  

It really forces the syndicator to be more conservative in their underwriting. 

If you want less risk it's not for you. the cost of capital right now is forcing some to get deals at par and hope for appreciation (due to inflation). this works if you have other income to offset. 

House-hacking by room is a topic that pops up when we're late in the real estate cycle; in tier 1 areas multifamilies available are scarce or priced unreasonably so one is 'forced' to rent rooms instead of multifamilies.Things to consider:1) Exit strategy - are you forced to live on site and manage it? 

I honestly believe a lot of investors are being forced to buy properties that cash flow less per unit but then one big expense and you’re in trouble.

I don't see how you can force the other tenant to pay half for the service call. 

Forcing appreciation is possible, but you must be very strategic about how you renovate.

It is amazing the amount of pent up force in a falling tree. 

Or will I be forced to pay to de-convert the unit before I can do any other renovations?