How to Start a Business

I'm not one to usually send questions in, but I'd love to get your advice on starting a business. This is something I've wanted to do for years, but haven't started the processes yet as I was in uni and my mental capacity was already stretched. Is there a way that you can sort of just on the side start investigating what it would look like? Because it's all very well to go. But also, if you've got something you're really passionate about, your life's too short to not follow that. Love the podcast. It's my favorite to listen to. We'll see how we go, but we'll get into at least a couple of them