Tom Pellereau won the BBC show The Apprentice in 2011. He agrees with Sarah's sentiment: the hardest part of inventing is deciding when to stop fiddling and start selling.
"I'm never happy to bring a product to the market until I know it's fantastic," he says.
Luckily, Lord Sugar, who is a director at Tom's company STYLIDEAS, helps push his products to market.
"He's quite terrifying and also he really knows what he is talking about," Tom says.
This autumn Tom will release a new product to follow up his make-up brush cleaner. His invention, which took four years to develop, is currently confidential and the details of its release will be announced soon.
At one point, he ordered plumbing parts off the internet and cut them to size to improve a part of one of his cosmetic inventions. He admits that his house has cupboards full of make-up brushes and beauty tools.
The most important piece of advice he offers to inventors is to ask for feedback.
"You really have got to listen to what people think, otherwise you don't actually know if you've got something that people would be interested in buying."
Another piece of advice from Tom: don't quit your day job. It can take a product 10 years to come to market and make money. During that time, inventors need to plan on how they will stay afloat financially.
"You need to try to be in the game for as long as you can," he says.
เว็บสล็อต pgTom moved back in with his parents for five years while he developed the curvy nail file that made him famous.
He remembers how fellow engineering grads had taken up jobs with investment banks, bought houses and went on lovely holidays.
"And I was living with my parents and seeing their photos on Facebook."
One technology that might have hastened Tom's journey, had it been available when he was starting out and developing product prototypes, is 3D printing.
