Possible, but considered as a loss of the initial amount. You can find a simple and easy feasibility study on any website. Thus, you will think and search in every way, which will help you more than a consultation.
Most consultants are just researchers; they will do research on the business and will provide you with whatever they learned in an organized way. Moreover, they will not add extra points than what is already available online or what you can get through one or two calls.