The most helpful thing I did when starting my business was become part of communities of other business owners, often further along than me. I've gotten so many questions answered, specific software and systems recommendations, and so much encouragement along the way.
I love the people in The Playhouse and recommend if it looks up your alley. I'd also recommend Lex Roman's Legends if a big part of your strategy involves an email list/newsletter, and Old Girls Club if your business leans more tech/corporate facing.
Basically, the heart of my recommendation for starting a business is make some new friends with other people running their own businesses!
This world sure needs more useful and not evil businesses, so wishing you the best as you get up and running!! more