Choosing a genny is simple if you nail the basics. Check your total wattage so...

https://shedblog.com.au/what-to-consider-when-hiring-a-generator/

Choosing a genny is simple if you nail the basics. Check your total wattage so you don’t trip the breaker. Choose fuel based on how long you need to run it. Consider noise if neighbours are close. Most importantly, keep RCDs and leads in good nick