Great for you.
I have a business suggestion. Buy used restaurant equipment. Many restaurants go "out of business" within a year of starting, and there are alot of good, gently used equipment for you to buy at a fraction (like 1/10th) of the cost.
Also, get an attorney or CPA to help you incorporate your business and discuss "pass through" taxation (if you are in the US). This may save you alot on taxes, so you can have your cake & eat it too. Do everything that is business related through your business bank accounts. Whatever you do, don't go mixing business funds with personal funds, and vice versa. Talk with your CPA or your attorney about this. Keeping strict books and using a corporate business entity will help protect your personal assets from being sued should someone get sick from eating your cake, slip & fall while in your store, get struck by your business van, etc.
Talk with your insurance agent about your insurance needs. Places that prepare food are generally a little bit higher in business insurance. You may also want to post the "peanut warning" signs. Also, if you are going to deliver the cakes to the wedding, you may want to get extra insurance for your vehicle. Also, an "umbrella" policy is only a few hundred dollars more a year, and having $1,000,000 or more of extra coverage is usually worth it.
Skeeter
p.s. I love Italian almond cake...