It is important, but a good accountant can do way more than that: tax planning, business advice, bookkeeping setup etc.

Is this just for book keeping or what exactly?

I do use Stessa for my bookkeeping though.

.- Requires slightly more time on the bookkeeping side to ensure the deposit hit your account and sometimes it difficult to tell at first who the deposit is for- Tenant at any time can stop the direct deposit from their end

I'd recommend just keeping a journal or Excel file of your appointments and time spent on calls or doing paperwork, including bookkeeping.

Simply the fact that the residents own the homes introduces a whole new set of challenges that other real estate doesn't have.Using the right management software, bookkeeping correctly, and using the right accountant who understands mobile home parks, cost segregation, and bonus depreciation will all be important. 

There are a lot of bookkeepers that can do note servicing if you ask around.This thread had a bunch of great info too: https://www.biggerpockets.com/forums/50/topics/827...

Tenants Zelle to the respective buildings account.I do all of my book keeping on excel.I rent through Zillow exclusively.

You should think about hiring a bookkeeper or a CPA that specializes in real estate and will also do bookkeeping all in one.

Well rounded: Your accountant should be familiar with real estate taxation, but it is equally important that your accountant has a general understanding on other types of accounting/tax issues as well (i.e. bookkeeping, individual taxation, estate/gift tax issues, etc.).