Replaced the carpet with hardwood floors & new trim, painted all the walls, and completely renovated the bathroom What was the outcome?

The new PM says this isn't something they can help with and won't be getting involved, so I feel completely let down and abandoned by the old PM, and at a loss as to what to do. - Is this a reasonable stance for the original PM to take?

Pain in the you know what, but completely within the bounds.

This company is completely on the up and up and is NOT a guru run operation! 

I have recently been gifted my great grandparents home and it's going to be a complete gut and renovate costing approximately 150k.

Whatever is stored on the shelves will mostly cover it.If it's no longer used, you could remove it completely.

Their applications are the longest and have short time frames for work to be completed. 

Leverage the Airbnb new listing promotional feature. 

So, to answer your question, you are better off completing being your PM if you will house hack? 

Depending on your scale you can even go with the cheapest subscription and work around not having the class feature that @Basit Siddiqi mentioned.