The budget for campaigns is not fixed but is adjusted based on the volume of Calls (in this case), and therefore the niche that is chosen. In doing your research, you will find out which market is best and will be more profitable.
The budget for campaigns is not fixed but is adjusted based on the volume of Calls (in this case), and therefore the niche that is chosen. In doing your research, you will find out which market is best and will be more profitable.