It seems like anyone can post anything without accountability—very concerning.  

I operate 14 properties from the same checking account.

you do have the ability to close your account at any time. 

If you are able to setup a credit card identical to your accounts payable accrual account, it should operate the same.  

However, the depreciation claimed while the property was a rental must be accounted for upon the future sale of the personal residence, which could increase your capital gains tax liability.The adjusted basis of the property (original cost minus depreciation) will be used to calculate gains or losses at the time of sale.

This is a question for your attorney and accountant on how you will manage the company etc.

It's just going to cost you quite a bit of money to have your accountant prep all of them.

Again, this is a conversation to have with your accountant to ensure the benefits would outweigh the costs.Another misconception is that there is little value in a cost seg study for properties that do not have a lot of personal property in them or very little interior build out, such as industrial warehouses.

My wife and I own a beautiful historic home in a small, charming town in Northern Virginia.

If you go with the partnership route1) You need to manage the money going in and out of the business bank account.2) File a partnership return and be responsible for issuing K-1's3) make distributions to you and your partner for cash flow that you receiveYou will likely spend many hours on a nice gesture.I may want to consider instead to give a christmas gift or a bonus for early completion of projects.