Since I can no longer edit the first post here is an updated price breakdown on supplies:
$0 boxes
$6 clamp light
$6 clamp light
$6 clamp light
$6 clamp light
$3.50 23 watt CFL 1600 lumens 5k
$3.50 23 watt CFL 1600 lumens 5k
$3.50 23 watt CFL 1600 lumens 5k
$3.50 23 watt CFL 1600 lumens 5k
$4 seed starting soil
$6 electric timer
$25 10 seeds
$5 seed shipping
$0 plastic cups
$3 twine
$3 Y-socket splitter
$3 Y-socket splitter
$3 Y-socket splitter
$3 Y-socket splitter
$3 26 watt CFL 1600 lumens 6.5k
$3 26 watt CFL 1600 lumens 6.5k
$3 26 watt CFL 1600 lumens 6.5k
$3 26 watt CFL 1600 lumens 6.5k
$0 copy paper
$0 staples/duct tape
$0 scrap hookup wire
$2 Y-socket splitter
$7 digital thermometer/hydrometer with min/max memory
$0 60mm 12v computer fan (exhaust) 18 CFM
$0 70mm 12v computer fan (intake) 32 CFM
$0 some old 12v DC adapter
$2.50 Y-socket splitter
$2 simple plug socket adapter
$2 simple plug socket adapter
$2 simple plug socket adapter
$2 simple plug socket adapter
$10 9-inch fan
$6 clamp light
$4 MG bloom nutes
$9 plastic storage bin
$9 potting soil
$12 perlite
$6 power strip
$1 screws
$2 26 watt CFL 1700 lumens 2700k
$2 26 watt CFL 1700 lumens 2700k
$2 26 watt CFL 1700 lumens 2700k
$2 26 watt CFL 1700 lumens 2700k
$2 26 watt CFL 1700 lumens 2700k
$2 26 watt CFL 1700 lumens 2700k
$2 26 watt CFL 1700 lumens 2700k
$2 26 watt CFL 1700 lumens 2700k
$10 pH/moisture meter
$0 scrap light fixture
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$207.50 total
I provided a chart to show where my expenditures went. After the initial supplies, my monthly electricity usage should be about $42/mo.