Obtained
• Frame: Old Schwinn MTB + fork = $20
• Headset 1" ISO = $7
• front Cable hanger - 1" 10mm = $6
• MTB style 1" threaded stem = $5
• BB: leftovers = $0
• Crank: 44/34/22 Sugino 94/58 = $15
• Front Derailleur = $5
• Rear Derailleur (previous) = $0
• Seatpost: From previous grocery bike = $0
• Seat Binder bolt = $4
• Seat: Also previous = $0
• Canti brakes: $10
• Rear Wheel: Used Rim - mavic 220 (ERD 543.0) ($5) + Old Hub ($0) + Spokes 264.8/263.3 ($30) = $35
• Front Wheel: Used Ritchie = $20
• Slick tires = $15

Total: $142

Needed
• Chain = $?
• Shifters = $?
• Brake levers = $?

Extracycle
• Extracycle: $350
• Marine seat: $60
• Halo Disc wheel rear: $140
• Disc Brake: $100
• Trans-x shim for 26.4 -> 28.0-30.0 (need 28.6) = $10
• Stoker Stem (obtained) = $5