best idea, your question sounds more like a bot.Write a business plan and a budget. What will it cost to start your business? How much more will it cost until you break even? Then make sure you have more than that, so you're prepared in case business is slow or something unexpected happens.
It depends then there are also financing options available to open a business in the UK.How much money should you have to start a business?
< $500
$500 - $1000
>$1000
Somebody told me that It is just under $500 to set up an online business easily, so how about an offline one?