You'll need to decide on that yourself. Basically, the connection is made using a yellow (usually) flex pipe from the existing gas pipe valve to the appliance. It isn't hard or complex, but is does need to be done just right. Also, some localities may prohibit installation of gas appliances by non-licensed persons.
How long do flexible gas lines last?
Flexible gas lines (corrugated stainless steel tubing - or CSST) usually last up to 30 years, whereas the traditional black steel pipes can last up to 75 years or more.15 sept 2016
Is Home Flex gas pipe safe?
In short, flexible gas lines are perfectly safe as long as they're properly installed. A CSST that is not correctly grounded or bonded can leak natural gas or become ignited, leading to a major fire hazard.26 jul 2021
Can you connect two gas flex lines?
Can I connect two gas connectors together to obtain the length I need? No, this could influence the gas flow rate, introduce new leak paths, and is expressly prohibited by the model codes.