Will it be viable,A shop selling Mutual funds and Insurance only?

I am planning a unique venture, to open a shop (sort of office like) not a big one, aimed at promoting mutual funds and insurance policies.Mutual funds of all companies can be sold and insurance agencies of may be one or two companies.
YOUR ADVICE IS SOLICITED
1) Is it viable
2) What are the steps to be taken to suceed
3) The dimensions of the shop’
Please reply.