This is maybe the number one reason why I believe now is a great time to buy, but pair that will all time low interest rates and easy access to capital… go find a good deal.So what does all of this mean for you?

If you upgrade to pro you have access to several calculators that will tell you your ROI including for a rental.

Can I changed the lock and restrict her access to the property since she broke the lease?

We rehabbed both units to include redoing drywall and insulation, refinishing hardwood floors and adding LTP flooring, adding a new bathroom vanity, replacing some fixtures, andredoing the front deck and adding the back deck for separate access to the back unit.

I rarely need a contractor and if I do need one, my network has access to skilled workers. 

What kind of Lead Generation Tools will I have Access to?

You are prevented from doing/ accessing a lot of useful things if you aren't licensed though.

Basements in older homes can be problematic - ceiling heights, fire separation, access to sewer above grade etc.

So I was able to use my credit score to access 0% interest credit cards.  

Forgive me if I missed it, @Justin Johnson but do you have something in your lease regarding unauthorized occupants?