Work out and control your costs
Controlling costs is a core requirement for all successful businesses. Likely costs will include:
Set-up
What costs are involved in the purchase of capital equipment/premises?
Staff
What are your labour costs? Will you need full or part time staff? What training will they need?
Maintenance
What is the cost involved in production, service, delivery, and maintenance?
Consumables
What the overheads associated with insurance, light/heat, professional fees etc.?