High turnover can mean dissatisfaction with the nature of the work or something else about the job. A good job offers you opportunities to learn new skills, increase your earnings, and rise to positions of greater authority, responsibility, and prestige. A lack of opportunities can dampen interest in the work and result in frustration and boredom. The company should have a training plan for you. The employer should give you some idea of promotion possibilities within the organization.
Employers differ on their policies regarding promotion from within the organization.
The salary and benefits. Wait for the employer to introduce these subjects. Most companies will not talk about any pay until they have decided to hire you. In order to know if their offer is reasonable, you need a rough estimate of what the job should pay. You may have to go to several sources for this information.