Now that AT&T has capped bandwidth use to 150 GB for DSL customers, home office workers might want to know, “What can be done to limit bandwidth use?” GigaOM‘s Dave Greenbaum offers good advice.

In addition to checking your usage at least once a week, he says it’s important to turn off software auto-updates and do them manually at the end of the month. He says with a cap in place it probably makes sense to avoid a lot of HD videos, scale down VoIP and webcam use and watch for bandwidth vampires in the home, such as security systems, DVRs and Blu-ray players, which all use data when online.

While Greenbaum loves Dropbox ^[1], it (and others like SugarSync ^[2]) save files any time a change is made, gobbling up bandwidth. He says you might consider working on them in a non-sync folder and saving to a sync folder only upon completion.

Read more at GigaOM ^[3].