I also look at Google reviews but they're easy to fake - the companies who fake the reviews/hire someone to write the reviews typically have them written by accounts with 1-3 total Google reviews total and so when I look at the Google reviews I take them with a grain of salt unless most reviews come from strong accounts (accounts with a good amount of reviews). 

I may hire a property manager who charges 20% and they can get $100 per night for my place.

We have a tenant who hired a truck and crew to help him move out of a unit that we own.

Is it at the spray with bleach and all is well stage or is it extensive and will take hiring a specialist? 

If you just hire the cheapest or first PMC you speak with and it turns into a bad experience, please don’t assume ALL PMC’s are bad and start trashing PMC’s in general.

Here are the details:From an operational standpoint we are basically 50/50 and will both be actively involved in the business, we will be hiring 3rd party management. 

I learned to hire the best inspector you can find.

Otherwise, I think you have a case to get out of this deal but will need to hire an attorney to file suit against the Seller for breach of contract and committing fraud.  

I would hire a lawyer and start the eviction process.

However, I doubt you will find anyone excited to work with you if there is no JV style payoff at the end, and if you are just going to hire them to do the work, your interests are not aligned, so I would be careful how much credit you give their estimates/assessments.Whatever the outcome, you will be happy you did it if you just know your numbers and take action!