<human>: What should I know before installing an in-ground septic system?
<bot>: Before installing an in-ground septic system, you should make sure to check the soil conditions of your property. You may need to have it tested by a professional engineer or geologist. Additionally, you should consider the size and type of system that would best suit your needs, as well as the location of the proposed installation site. You will also need to determine if you are eligible for a septic permit and what fees you may be required to pay. Finally, you should consult with a septic installer to ensure all necessary steps are followed correctly.