A huge part of business is about hiring the right personnel and managing them carefully. As you expand, your business will become increasingly reliant on your workforce. They are the ones who will implement the strategy to generate sales and make customers happy. This means you'll need to dedicate time and attention to hiring the right people who fit within the culture of your business as well as employee retention strategies.
Finally, keep a firm hold on these two financial areas. Your margins will determine if you should alter prices or look to reduce costs. Review your cash position regularly to help you manage investment decisions and payments. This means undertaking cashflow forecasts to anticipate your working capital requirements not just today, but in the future as well.