Lower salaries compared to other firms.
Attempt to staff locally whenever possible, which is fine. However, if you want to live in city centers, clients could be an hour drive away from your home. This gets pretty frustrating, as travel time every week can be much larger than if you were flying to a different city. We don't get reimbursed for any of this time, and it's assumed you will be in the office everyday with little awareness to the stresses of commuting.