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

Do you also create a virtual account for those? 

Bigger Pockets is a great place to find a tax accountant that specializes in real estate taxation. 

This is a very common way for people to investing using their retirement accounts.

@Hansen TongI recommend finding an accountant that specializes in real estate taxation.

I'm currently exploring opportunities in real estate, particularly in accounting roles.

However, a good real estate accountant is worth what you pay them because they will save you time and money. 

@Jacob HavlovickBigger Pockets is a great place to find a real estate tax accountant.A good real estate accountant can save you thousands of dollars by leveraging entity selection and formation, tax deductions, cost segregations, bonus depreciation and tax planning.I recommend finding an accountant who specializes in real estate taxation, business taxation, financial planning and tax planning.You may want to consider working with your accountant remotely to expand your options.I would also recommend looking for a accountant willing to work with you throughout the year.

My custodian does not have a money market or similar sweep account to keep idle cash earning.

I’ve got her dealing with 8 properties which have individual accounts.