Doubling every 7 years is not slow growth.
I’d recommend trying to work on financial literacy before touching it. There are some free courses you can take, read some books.

Money is easier to spend than it is to make.

I’d recommend to do market research before you jump into the market.

I think it’s a great idea and has potential to do very well but you should consider what success looks like to you and what your 1 year/ 3 year/ 5 year goals may look like.

Also it’s important to keep in mind sales will be a vital aspect of your business.