There is, of course, pressure of work since you have to source the supplies/arrange manufacturing; strictly adhering to the parameters of quality;packing; Inspection; GSP or Country of Origin, Veting of documents should there be stipulation in the L/c etc., apart from huge paper work in the form of documentation; Banking formalities; shipments; delivery schedules, et al. Should there be any default in any of the said domains, the shipment(s) could be rejected and you could be black-listed also.