If you do not have time to dedicate the necessary time for your blog hire an outsourcer. The outsourcer can help you build traffic by doing certain jobs for you. I have composed a list of sites where you can hire an outsource.
Elance
PeoplePerHour
HireMyMom
Scriptlance
123Employee
ContentDivas
Guru
Onlinejobs.ph
oDesk
vWorker