A few other items for consideration re expenses - accounting, legal, landscaping, pest control, admin, marketing, snow (if applicable), supplies, trash removalWhat's the capex picture look like?

Assistance animals perform many disability-related functions, including but not limited to, guiding individuals who are blind or have low vision, alerting individuals who are deaf or hard of hearing to sounds, providing protection or rescue assistance, pulling a wheelchair, fetching items, alerting persons to impending seizures, or providing emotional support to persons with disabilities who have a disability-related need for such support.

Upon acquisition they are required to be capitalized; however, you should list them as separate depreciation items.  

I am a real estate attorney, and recently I started using a small company to do credit 'block & repair' to delete items off my clients credit reports, and block property developers from hitting their credit. 

.$650 for a new water heater = no late night calls of flooding.Water and hvac are 2 of the 3 items that can generate an emergency call.

Cap ex items such as Roof and Furnace WILL come up, so should be anticipated.I'll leave it to others to offer more specific answers or guidelines to your question.

Items like a furnace, roof, walls, windows, water heater, etc. are physically attached to the property and are considered part of the property.

And I believe the return on investing in these items would be good.  

However, on the other side of the coin, it's much easier (and perhaps necessary) for them to move more often because they tend to not hold on to a lot of physical items.

This is not a simple question, but a couple of helpful points.Many improvements if under $2,500 can qualify for the expensing of items under the de minimus safe harbor rules.