Whoever taught you that I would go to them and do what they did as this setup for an ownership structure in my opinion is far to complex and your CPA is going to be scratching there head at end of year with all the tax stuff they will have to do and how you have to keep bank accounts for each entity and move money form one to the other to the other....

They could even log into the Google email account associated with the account and send questionable emails, upload photos of who knows what to Google photos, etc.. 

Keep in mind you need to account for soft-expenses as well such as Vacancy/Turnover, Maintenance/Repair, and Capital Expenses.

Experiential stays are the best ROI around when done correctly to account for equity and cash flow. 

Deposits were in my account. 

Will it match the statement amount up with the actual credit transaction for the bank account attached to Stessa?

All your first set of questions can be answered by looking online or calling several local competitors.Your accounting questions though, show such a lack of basic knowledge that you probably shouldn't be doing this until you have more experience.

Can someone recommend any advice on anything (setting up partnership structure, accounting/ setting up a bank account , lending with foreign investors, sourcing deals etc…).

Can you put some reserves into a "lock box" type account that is your money but locked at escrow for up to a period of time.  

Every 1077 appraisal that my clients have received only accounts for traditional rentals/leased comparables in the area.