How much above PITI should I shoot for it to be a good deal?

[Derek Nemec]

Hi there BP! 

I am currently analyzing a deal and wanted your insight! The investment is 3 duplexes on one corner lot in town, all quite updated and nice
PITI currently sits at $4,275/mo. and the conservative rents at 100% occupancy would account for $6,300/mo.

is the PITI too high and makes it too risky or would you consider it to be a good number vs the rent at 100%? What do u suggest?