Quantity   Component name
1 × Raspberry Pi 2 Model B $40
1 × Motorola Lapdock 100 with charger (ebay) $30 - haggling level: basic
1 × USB wifi stick $10
1 × HDMI male to microHDMI female adapter $3-7
1 × 4GB microSD card - class 10, with SD card adapter $6
1 × 16GB USB drive $9
1 × USB female connector salvaged