However, the interest rates are super affordable and I'm not betting on home prices going down in Indy anytime soon, but they might stabilize and stop increasing so rapidly. 

@Stephen FooteHi Stephen- yes as far as going with 20% down and that eating away at cash reserves the best choice then would be to wait until you can go it alone.

You had no choice. 

So in the future you could refinance the rental to take out tax free money to pay down your primary residence to accelerate this even more, or sell the rental to capture the equity in it to pay down the primary residence.Regardless of your choice- refinancing would probably be in your best interest on one or both of the properties. 

@Kevin LeAt some point it becomes a personal choice in terms of which area works best for you (SF/South/East Bay/Peninsula) etc.

REebroker is likely your best choice. 

While I think some campuses have a market for luxury student housing I believe quality housing at around the going rate is going to be the best bet right now.

It Is an option on owner occupied loans where they Give you a choice of 3,5,10,15 or 20% down. 

Hi Dayyan.I invested in the London market in 2017 and so far its been paying off. my reason for investing was primarily on a bet that London ON and Brantford ON would both catch up to the GTA market.

That's not guaranteed, but it is the choice I'd make based on market conditions as I see them.