Well, really, the first step is to look at what it will cost to start and operate your new business.
You need to see if you have the money it will take at this time or if you will have to raise the money in order to start your business.
And to do this you need to do a financial plan. When you have that done, you can make informed decisions.
For more on business plans you can take a look at some of the e-books available on the product nav bar of this web site. The information pages will give you a lot more on this.
But don't get scared off with a complete business plan for now. All you want to know first is the financial viability of the idea...
If you have further questions on this, don't hesitate to write again...