I use dot patterns and existing patterns to create new patterns. You can find here a library of patterns: http://eimablank.wixsite.com/eimamode/fashion
To the price of $40, you must had the cost of the pattern that is close to your project.
You must count 5 days delay. If you have an emergency scheduled last minute, an additional fee of $15/h will apply.
If you need me to come to your place, a fee of $40 will apply/trip.