The days of using Kitchen and Bath companies for the cabinets and countertops in your flips are over.

Movement mortgage is the mortgage company. 

If you are new and don't have a clue, then I would certainly recommend them or some company that can guide you through things until you have an understanding. 

Is the house Cashin platform a good place to find closing companies.

Some of the family-business real estate companies are starting to move from the (typically) patriarch who started the company in the 90s into the kids who are in their early 40's +/-.  

Mine are long term rentals (in 2 states), 3 SFH and 1 mult-unit and they recommended a Wyoming Trust over a Holding Company over an LLC for each property.

I started a property management company in 2017 and am now managing almost 800 doors and 6 construction crews.If I could do it all over again, I would have spent a little more time setting up business systems prior to jumping in. 

How do I research the company?  

Insurance was a huge challenge, but BiBerk (a Berkshire Hathaway company) was willing to write a policy for us. 

Typically corporate/bank owned homes are managed by an asset management company.