Marpies is a business that allows customers to design their own mugs using markers. They aim to let customers use their imagination to create unique mugs for €6 each. Marpies would operate out of the owners' home to avoid rent costs, and use posters and a website to promote their customizable mugs. A cost analysis showed startup costs of €80 with per mug costs of €3.35, allowing for a 55.83% profit margin. Key competitors are Tesco's online customizable mugs and a decorate your own mug set only available at Bed Bath & Beyond stores.