**Custom Pet Portrait Puzzles**
Create a niche online store that offers personalized jigsaw puzzles featuring customer's pets. Here's how it would work:
1. Customers upload a photo of their pet
2. You digitally enhance the image and turn it into a custom jigsaw puzzle design
3. Offer different puzzle sizes (100, 500, 1000 pieces)
4. Print and ship the custom pet portrait puzzle to the customer
Key features:
- Unique, personalized gift for pet lovers
- Multiple difficulty levels to appeal to different customers
- Option to add the pet's name or a custom message to the puzzle
- Potential for repeat customers (different pets, gifts for others)
- Relatively low startup costs - mainly need a quality printer and puzzle-cutting equipment
This combines the popular trends of pet products, personalized gifts, and puzzles into one creative niche product. The uniqueness factor could help it stand out in the crowded online marketplace.