Doing Bookkeeping and Tax Work at Home

I am a CPA mom with 3 school age children. I was a Fund Accounting Analyst for 2 years. Then I quit my job to be a stay at mom for seven years. As my children were getting older, I went back to work.  I have been working as a seasonal tax preparer and a part time bookkeeper for the last four years.   

I am thinking about starting my own home based bookkeeping and tax services after this tax season. My goal is to profit between $1,500 and $2,000/month eventually.   I don’t know where to start.

Any suggestions?

Thanks