I would try not to tie up any of the principal in down payments.Personally, I had a family member do this same thing, but they used an investment portfolio as the collateral instead of real estate.If you play your cards right, this might be the only short-term money you ever need.Please let us know what you end up doing.

We'd even be happy to move them into one of our (future) properties and just let them keep all/most of their rent income as free cashflow. 

Let me know if I can be of any help.

As a courtesy it might be a good idea to let that agent know regardless.  

Let’s discuss below!

If you want to grab a coffee sometime and chat about investing in Calgary please let me know 👍 four, zero, three - four Seven, nine - eight ,nine ,nine zero 

So let me see if I am understanding correctly.

Let’s provide updates to the community here.

As someone who has house hacked many times and have helped others house hack, I would let you know there's a lot of pros and cons to this strategy!

If it is let me know and ill repost correctly.