I know this will be very market specific but I have a house in a Cleveland suburb listed at 55K.

More specific.......  

You may also want to check out the Property Hub - focused specifically on the UK market: https://thepropertyhub.net/If you're interested in purchasing through an investment house, I work for one that provides 'deals' and an advisory service in the regions we specialise in. 

None of the volunteers here can create a wholesaling business for you, you're going to have to take the initiative to build up a lot of knowledge on your own and then ask specific questions when you run into challenges. 

Would anyone recommend a specific class or book?

It really helps to know your area -- the less you know, the larger the margin of safety you need to factor into your purchase price.  

Unless there was specific language in the contract about the tenants signing a new lease you will likely be obligated to follow through.  

Also, there is no specific language in my buying contract relating to the tenant moving.

On the flip side, Lumi and Brie both have seen the property and gave him real-time specific feedback that would not be available if he didn't post the exact location.

If you need basic numbers to run off of you might be able to some local contractors to give you a rom estimate for specific types of work.