Fastest way to do buildings?

[KBA]

I'm Getting back to work on my 400 2+ story buildings task. And I need 245 more.. Whats the fastest way to do buildings? Ive just been soloing in DD.. Does anyone know a faster way?

Thanks,
KB and ML

[RocSparkletooth]

Try to get friends so you don't have to solo. When I did 164 buildings one day, I had good friends helping me most of the time, and I was doing mostly 3 and 4 stories. They were taking between 6 and 12 minutes each. Compare that to your times. Two stories were taking 5-7 each.