It's no guarantee but it's a good place to start.

For house hacking I’d maybe start at the more pricier markets or fringe markets where you can get something beat up, fix and flip and sell for higher.

This would be the beginning of the brrrr method and I would have 3 rentals right away.My questions are 1. is it better to start an LLC for RE and transfer my existing property into the LLC? 

In my area a lot of the travel nurse contracts start mid-month so I see an influx of request between the 1st and 15th.

Due to item 1, adding an ADU can require years to start achieving any return (once the accumulated cash flow recovers the initial negative position).4) Adding an ADU is a slow process.

Pittsburgh is a great market to get started investing in.

I was trying to start the eviction since my lease said I need to wait 30 days.

I have property at the edge of Lehigh U that I thought would be for students when I first started out there. i quickly realized that student housing, especially in the smaller school, is a totally different business with different expectations and requirements, not to mention yearly turnover and parent involvement.

Using your VA loan is a great way to start. 

I agree with Jonathan that most people focus on a cute website, logo, CRM, etc.Use an underwriting template that you fell comfortable with, start with opting into broker's list, call them, and get on property tours.