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Substack vs Trainerize (online personal training)

Head-to-head comparison for content & creator side hustlers.

Factor
Substack
Trainerize (online personal training)
Earnings
$0-$5k+/mo
$100-$300/client/mo
Time
5-10 hours
5-10 hours
Difficulty
Intermediate
Intermediate
Startup cost
$0
$0
Location
remote
remote
Skills
writing
fitness, coaching, certification
Substack guide →Trainerize (online personal training) guide →

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