Repair stand (amazon for less than $100)
Park Tool PW-3 Pedal wrench (15mm and 9/16" openings)
Park Tool CN-10 cable and housing cutter
Complete metric hex wrench set with T handles (harbor freight works)
Basic socket wrench set
Tire levers
Awl or scribe or small pick tool
Chain breaker (pay for a good brand as these tend to break with stubborn chains)
Chain master link pliers
Electrical tape
Complete set of different size screwdrivers