Local Services Ads costs for law practices vary widely depending on the practice area, location, competition, and demand. LSA typically charges law firms for eligible leads rather than clicks, so your monthly cost depends on how many leads you receive and the price of those leads.
For example, personal injury leads in a competitive market can cost much more than leads for a less competitive legal service. Look at cost per qualified lead, consultations booked, signed cases, and revenue rather than focusing only on the lead price.
The right budget is one that generates enough qualified cases to make the LSA spend profitable.