Yes. Depression is a qualifying condition under Social Security Disability rules, but you would need to have medical documentation and an employment history demonstrating the depression significantly interferes with your ability to engage in substantial gainful activity (SGA). In 2010, SGA is $1,000 per month for most disabilities, and $1,640 for anyone legally blind.

You can learn more about SSDI, SSI and the application process through the Social Security Administration via Related Links and Sources, below.

Maybe. You need more than a diagnosis to qualify for Social Security Disability (SSDI) or Supplemental Security Income (SSI). You also need to demonstrate that your diagnosis prevents you from working or performing Substantial Gainful Activity (SGA). The Disability Determinations Specialists will review your medical and employment records, and probably schedule you for a medical and/or psychological evaluation before making a decision.

Yes, as long as you do not earn over the "Substantial Gainful Activity" limit, which for non-blind individuals is about $1000/mo as of 2011. For the blind, it is about $1600.

If you meet Social Security disability determination guidelines, you can work and continue to receive your monthly benefit check as long as your average monthly earnings do not exceed what SSA considers Substantial Gainful Activity (SGA). In 2010, SGA is $1,000 per month for most disabilities, and $1,640 for blindness.

The Social Security Administration discourages people from attempting to work during the first 24 months following disability approval, because doing so may cause your case to be reevaluated and may result in termination of disability status.

No, "work" is not a preposition. It can be a noun (employment, activity, or energy expended) or a verb meaning to engage in (gainful) activity.