You don’t need a broker. The lease will most likely be a standard template that’s used for the other tenants as well. Have your attorney look it over and that should be fine.

One suggestion is to request they add a clause that includes loss of business due to Covid or other pandemic related closures or mandates.

What type of retail space is it (clothing, food, beauty…)?

Post your services on NextDoor and other local neighborhood apps.

Are you leasing your space, and if so, what does your lease say about construction or interference with business?

For commercial cleaning, you need to reach out to the landlords or tenants directly.

Try to get investors. Lease over own. Keep in mind the weather for wherever you want to open this restaurant in, especially for the outdoor areas.