Design flaws become more pronounced as a business grows. If the flaws are not corrected they can stunt growth or create severe financial strains. Determine how steady or flexible your needs are. If your needs are flexible be very careful about permanent staffing. Look at costs.
Spreadsheets are great for what-if scenarios.
Get a feel for what is the most appropriate personnel strategy. If you cannot come up with an 'appropriate' strategy consider getting outside help. Keep your thinking and your planning flexible to meet unforeseen threats and opportunities. Successful businesses do things that average businesses do not. Successful businesses recruit when other businesses are downsizing.