That's pretty much a usual 40 hours per week, usually + some more.
*Full-time workweek:
30 hours or more, according to the definitions in the Affordable Care Act. "The Fair Labor Standards Act (FLSA) does not define full-time employment or part-time employment. This is a matter generally to be determined by the employer."*
I work for myself thus my definition which perfectly applies.
The single most important factor is having control of your own life.