For profit?
Some suggestions----first, have you had experience with a LA? If not,lots of practice..
do you belong to a guild? When you think you are ready for clients, take yours to show and tell...
print up some business cards and drop off at lqs
get all your business paperwork decided upon and prices and breakdowns...
then word of mouth....
And be prepared to have less time for your own projects......but it can be interesting and rewarding
many more ideas and suggestions, I'm sure will be posted, but you have to find the path that works for you, ad far as the allotted, your way of getting the best results...etc..... And remember it will always be a learning experience,,at least for me it was.........