Passport photos

You need some passport photos for a visa.  You don't want to pay $8 to have them done at the photo center.  You want to get proper photos for the lowest cost possible so make them yourself!

Go here for photographer tips, then a tool to size the picture properly:
http://travel.state.gov/passport/pptphotoreq/digitalimagereq/digitalimagereq_5306.html

Then go to this site to make a 4"x6" contact sheet:
http://www.epassportphoto.com/Default.aspx

Then go to this site to have your 4"x6" printed:
http://www.walmart.com/

Total cost for four 2"x2" passport photos: $0.19 + tax.