How do I calculate capex/vacancy on a turnkey on a 2 year lease

[Amir Navabpour]

I bought a rental property through a turnkey provider that addresses all major capex issues: new roof, new water heater, new ac unit, etc. Also, we got the tenant on a 2 year lease. Given these two items it doesn't seem like apples to apples to pencil out my return by assuming 10% for capex and 10% for vacancy like I would if I was to buy a property that needed work on my own. Do you agree? Ether way, what should my assumptions for capex and vacancy be in this type of scenario?