@Chan Park this can all be handled via phone, pics, preferably narrated video - you shouldn't need to go and see it yourself.

Do you have a specific revenue target in mind for hiring, or are you basing it more on workload?  

Are you targeting any specific areas/neighborhoods like Maywood, Garfield Park, Speedway?

An accountant is a general job title that may potentially do one of many different tasks(bookkeeping, reviewing financials, assurance, taxation, etc)Bookkeepers are specific that they will likely only do the bookkeeping.

There is a big distinction on the variety of restrictions you need to be aware of with ADUs in Chicago specifically.

Financing might be a challenge.I would recommend consulting with a attorney, loan officer, and CPA to discuss your specific situation and determine the best course of action. 

Aside all that, as others mentioned, you didn't lend enough info to give any specific answer to your specific situation.

Give them a short, professional notice and move on.Second, I don't think a specific form is required in Massachusetts.

@Jennifer StammbergerWhat type of businesses do you want to cold call, and what is your angle specifically?

If all you are doing is watching YouTube videos, you don't know as much as you think.