40 Hours total flight time to include:
20 Hours flight time with an instructor
including 3 hours cross country
including a night cross country of at least 100 miles
3 hours simulated or actual instrument flight
3 hours night flight
including 10 takeoffs and landings
10 hours solo flight
including 5 hours solo cross country
250 Hours total flight time to include:
100 Hours in powered aircraft
100 hours Pilot in Command
20 hours of Instruction
including a 2 hour day VFR cross-country of more than 100 miles straight line distance from the original point of departure.
50 hours of Cross-Country
including a cross country of not less than 300 nautical miles straight line distance from the original point of departure and 10 night take-offs and landings at a towered airport solo.
10 hours of Instrument training
10 Hours of complex training
I recommend filling up the time between the private pilot course to the commercial course with instrument course, complex training and tail wheel transition, some will find acrobatic flying exciting. Most likely, that the tail wheel training will turn you to a better pilot.