When budgeting for equipment and supplies, it is important to consider the quality of the products you will be using and the services you will be offering. On average, the cost of equipment can range from $10, 000 to $50, 000, while supplies can cost around $5, 000 to $10, 000. It is important to invest in high-quality equipment and supplies to provide the best experience for your clients and ensure long-term success for your nail spa.