Sleep Study, Walter Reed - $2000

The first week you get paid to sleep there are nights while they monitor you. Free food and you can still work your day job. The week after you stay there day and night I'm pretty sure.

Free housing, free food - you can't beat that!

UserWorks - Parents/ Fathers

They will pay you - usually $75 cash for 1.5 hours of work!

UserWorks is urgently seeking participants, as described below, for a paid
health website study.  If you know someone who you believe may qualify,
please tell them to call UserWorks (301-431-0500) and mention the CDC
study.

Who:  Parents (especially fathers), who access the Internet infrequently
or on a limited basis. For example, this could be someone who is not able
to access the Internet during the work day and uses it only after work at
home.  Or it could be someone who does not have Internet access at home
and uses the library computer occasionally.

Where:  UserWorks, near New Hampshire Ave and 495

When:  Wednesday, August 17 or Thursday, August 18 for one hour only

What:  A research study to help develop a new health web site on behalf of
the US Centers for Disease Control and Prevention (CDC).

For the study above, you need to call them. To get notice of future studies sign up here:
http://www.userworks.com/default.asp?page=participate&sub=

UMD Psychology Studies

You do not even have to be a student to sign up, just claim that you are.
At any given moment there will be 5-10 studies available.
Studies vary in time commitment from 15 minutes to 2 hours.
Quick way to make a lot of money. Highly recommended if you live close to campus and if you're just starting to do studies.

http://umpsychology-paid.sona-systems.com/