Side Quest Central
Easy money isn't a myth. It's just unaccounted for.
Real stories of people who turned a side quest into income — and the numbers Andrew Pham, CPA used to tell them what they could actually spend. Upvote what's useful, and add what worked for you in the comments.
Stories are shared with permission and details are changed where needed. Nothing here is tax advice for your situation.
4 of 4 side quests
- 0August 28, 20266 min read0
From Facebook favors to a 12-person cleaning crew
Isabel was born a tidier. Her rule — it is easier to keep things clean than to actually clean them — turned friends-and-family favors on Facebook into a crew of twelve servicing short-term rentals. Here is the financial model behind it.
- Structure
- Owner-operator with a payroll crew
- Startup cost
- Low to start — supplies, insurance, transport
- Tax lift
- Payroll filings, quarterly estimates, vehicle and equipment depreciation
- Biggest lever
- Knowing which costs scale with each new hire
- 0August 28, 20265 min read0
The 1,500-gallon dining room and the plants that paid for it
Matthew is a director at a financial services company who has loved marine life his whole life. His dining room table is now a 1,500-gallon aquarium — and the live plants he had too many of became a side hustle he has quietly run since college.
- Structure
- Sole proprietor, Schedule C
- Startup cost
- Already sunk — the hobby was the capital
- Tax lift
- Marketplace 1099-K reconciliation, cost of goods, hobby-versus-business posture
- Biggest miss
- Years of sales with no cost basis tracked
- 1July 14, 20266 min read0
From summer weekends to full time: Brian's tennis coaching business
Brian played tennis in high school and college and built a network of athletes at every age. What started as summer weekend lessons turned into full-time work — and the accounting had to grow up with it.
- Structure
- Sole proprietor, Schedule C
- Seasonality
- Heavy summer, thinner winter — plan across the year
- Tax lift
- Self-employment tax, quarterly estimates, court and travel costs
- Transition risk
- Losing employer benefits and withholding at once
- 1June 30, 20266 min read0
The Seaport dog walker who had no idea what he could afford to spend
A chance conversation on a Seaport sidewalk with a career dog walker for Boston's wealthy — and the three appointments it took to turn "I think I do okay" into a real number he could plan against.
- Structure
- Sole proprietor, Schedule C
- Startup cost
- Low — leashes, insurance, phone, transport
- Tax lift
- Self-employment tax, quarterly estimates, mileage log
- Biggest miss
- No separation between business and personal money
Next step
Wondering what your side quest can actually afford?
Free 30-minute Consultation Call with a Boston CPA. We'll pin down what the numbers say before you spend.
Replies within 24 hours · Mon–Fri 9–6 ET · or email andy@sidegrowthpartners.com