How to get rich:
Here is my 3-step plan:
Personally I think 1. and 2. have the most chance of success.
Initial Rate = Your hourly rate * worst case estimate of number of hours you'd need to finish this project + Expenses
Expenses = Power Cost + Money transaction costs (wire, western union etc) if applicable + Any hardware or software that you needed to purchase for your work + Internet Connection Costs
Final Rate = (1 - 0.3 * Probability of repeat business) * Initial Rate