If it is vacant, that's 100% vacancy.

They may have same rents going, same maintenance, same vacancy, nothing changed there BUT change the financing and it changes EVERYTHING. 

Also, immediately after the tenant leaves, the access can be changed.Minimizing vacancy is critical.

Assessing how critical this location is to their expansion plans is essential.The Investment Considerations Lease Expiry: With five years left on the lease, your strategy should account for potential vacancy risk.

For reserves, you'll want 3-6 months of potential expenses saved (repairs, vacancies, unexpected costs).

Operating Expenses includes taxes, vacancy, utilities, insurance, maintenance, and management fee.

Some unexpected vacancies.

I've had very few vacancies over the last few years since Covid, tenants have been staying put where they are located.

I asked one of these coaches who said her rental income is $140,000 a year if that is the gross rental income or net rental income (after mortgage payments, property taxes, insurance, repairs, vacancies, capital expenses).

Vacancy is about never.