Memory preservation has always been a huge business, and as the technology improves for preserving photos and keepsakes, so do the methods and hobbies surrounding it.
If you have a passion for scrapbooking, and are talented at making original designs, you can create custom designed scrapbooks, scrapbooking for others, and scrapbook kits, templates, accessories, and stock.
You could also write how-to books and give classes.
Do a little research and find out where to buy your supplies at wholesale.
Attend workshops and classes to hone your skills and learn the latest trends.
Selling your scrapbooking designs shouldn't be too tough...scrappin' is a hugely popular hobby, and for some, a business.