There are numerous state and local eviction moratoriums still in effect, and they all have different rules.   

At the moment I’ve done most of the things that has listed except for saving a lot because this is only my first job and it does not pay a lot. To

There's a lot to take in;1) For the other tenants in the duplex, noise and traffic.2) for the property manager, additional liability for slip and falls from so many people coming and going, conflicts from pets with kids, making sure the lot is plowed first every day etc. 

It sounds like they're using a contract that they wrote, and one page won't cover all the numerous issues that can come up in a RE transaction.But there are ways to protect yourself - the inspection is a good start, also get leases and estoppel letters if that 3rd unit is occupied.

Personally I would like to be an active investor, but I think I have a lot to learn before I jump in to manage properties myself etc.

I didn't want to start in flipping because I felt that it was a lot to take on without experience in the rehab part.

With that said, if you continue to rent you will have numerous tenants.   

But stay focused and don't spread yourself too thin as there is a lot to learn.Good luck with your investing! 

I definitely have a lot to learn about the area in terms of great contractors, areas etc.

Here's a recent one that suggests PenFed: https://www.biggerpockets.com/forums/52/topics/897411-need-a-line-of-credit-on-a-non-owner-occupied-rentalAnd another one from a few days ago that suggests TD Bank (and also mentions PenFed and US Bank): https://www.biggerpockets.com/forums/52/topics/898504-td-bank-heloc-investment-propertyAnd there's numerous lenders listed in this post from a couple months ago:https://www.biggerpockets.com/forums/49/topics/879963-helocs-on-investment-propertiesYou'll just need to call around.