Awesome! You found a need (demand) and are supplying it. Doing work you like sure beats working for a living.
I really do admire you for following threw with this.
A really great school project, if I can be so bold, write a business plan. Yer gonna think why bother but trust me, it will be well worth it for many reasons.
Just a thought and for a summer gig, not really worth it but I really do suggest you at least consider it. Plus they are fun to write.