In small markets, the potentially biggest opponent is “churn”. The constant turnover of people and customers. You gotta spend the money to keep who you have, and to replace the ones who move, lose jobs, go on diets, have kids go into college, etc. Churn has to be overcome to stay viable in small markets. The 5% is a good starting number, then figure out if customer counts are falling, if competitors figure into it, etc.