In fact, my wife and I are starting a business for that precise market.

Your contractors should carry their own general liability AND vehicle insurance.

., so you know where your marketing dollars are going.Utilities: If you pay for some utilities, break them down into subcategories like Water, Electricity, Gas, etc.Professional Services: Divide this into Legal, Accounting, Property Management, and so on.Travel & Vehicle Expenses: If you travel to your properties or use your vehicle for business purposes, create a category for these expenses.I found this article on BiggerPockets that has some more detailed suggestions on organizing your real estate accounting: https://www.biggerpockets.com/blog/rental-property-accounting-101Remember, it's essential to consult with your accountant or tax professional to ensure you're setting up your accounts correctly for your specific situation.Do you have any specific areas of your business you'd like to track more closely, or are you looking for more general suggestions?

@Darius Ogloza Thanks Dairus for the precise answer.

Each person, each property and each vehicle will be listed.

I've become obsessed with real estate over the last 10 months and truly believe I can build massive wealth through this vehicle. 

You owe CA taxes and they aren't going to be friendly when they grab your bank account or take you vehicle.

I guess many of the rentals are to persons that own the right vehicle to navigate the sand roads or do the owners or rental companies supply transportation, or am I over analyzing the need for 4 wheeldrive?

.); House Rule violations; Housekeeping Issues; Did not provide proper notice of vacating; Unauthorized (occupants, animals, vehicles); Vacated early WITH notice and paid pro-rated rent through occupancy; and, of course, found the premises unsuitable and was allowed to vacate early.The main point is, do NOT make your "reference" a personal attack, as that, could land you in court if the Tenant learns the details...regardless if accurate or not!

Some people would rather watch TV, vape, drive a fancy vehicle, wear $300 sneakers, and complain about how the man is keeping them down.