Turnkey properties

[Joshua Zephir]

I continue to search for my first investment property. I came across a turnkey property. It's a 3 bedroom 1 bath and tenant already in place. Is anyone familiar with this type of investment? Do the numbers make sense? Any replies are greatly appreciated. 

Monthly Rent: $600.00
Yearly Income including a 1 month vacancy: $6,600.00
Annual taxes: $730.64
Annual insurance: $600.00
Annual management and maintenance: $1,320.00
Yearly NOI: $3,949.36
Asking Price: $25,000.00