Do you sell your work? YES
Where do you sell (craft shows, your website, Etsy or another online marketplace, word of mouth, etc.) WORD OF MOUTH
What do you sell? PORTRAITS, NAMES, WHATEVER PEOPLE ASK FOR.
H'bout profitability? (Please don't name numbers)
Do you make enough to keep yourself in saw blades and materials YES
Extra money to buy some new tools/toys SOMETIMES
Or enough to consider it a part-time/full-time business (meaning its a fairly significant portion of your income)
Just enjoy what you do. If it becomes stressful, STOP. Its not worth the stress.