@Chetan Patil you might get some responses in this forum but this question is much better suited for the commercial forum.  

I agree with the strategy of owning a property that you can partially rent out, but If you aren't willing to sublet a room and have tenant roommates, you'll need much bigger pockets or move up the valley for a property with a legal suite to rent out.

However, I am still interested to hear your voices if what are the good documents (contracts), effective script for cold calling, best marketing strategy, hot zipcodes, etc.

Buy a principal residence when you are able to (with 5% down) and ensure that the residence has either a legal suite or rooms to rent (if you don't mind the idea of tenant room mates. 

@Lionel Henderson A more cost effective route may be to get a Transaction Coordinator. 

To effectively use the BRRRR strategy, the property will generally have to be fairly distressed in order to force equity and may not be eligible for conventional financing. 

If you don't like how they operate, no harm no foul, move on and find a company that suits your needs.

If she has an attorney it can take forever because that attorney will use everything including covid as the reason.So yes, better be a killer deal to deal with her and the  junk.I have dealt with this several times and legally it is hard.Other means are easier.I have several that work very effective but BP puts me in jail for a few days!!

There will never be a time when people aren't speculating about a bubble, but those two things are pretty concrete and will have an undeniable cause/effect. 

When you post a question like this, you are going to get advice, but it won't necessarily suit you until you know more of what you are looking to do.