This question Is a bit tricky,see,actually people Love economic things,but you might be bringing negativity to your business by giving away space so cheaply,well,theres something called the bandwagon effect in Economics,Its basically means If someone Liked a service hes going to come back,and when he comes back hes going to lower tens of other guys over a period of time,well this can be applicable to your business as well,but the only hinderance I see Is maby people will be sceptical in purchasing,as the charges are very low.
But this can also be a good thing,It depends on a series of Other factors a well,Like marketing,design,customer relations and Good will of the firm(this is particularly Important to unleash the Bandwagon effect)