Which drone should I buy?

Drone Talk
2

That will be difficult, but you can check https://sky-viper.com/journey/, which doesn’t have good reviews. Can also research if there are any RTF drones with Flywoo some of which have been reported to work with Ardupilot.

https://www.getfpv.com/ready-to-fly-quadcopters/4-rtf-quadcopters/flywoo-explorer-lr-v2-2-4-quadcopter-hd-no-fpv-system.html

https://ardupilot.org/plane/docs/common-flywoo-f745.html

https://flywoo.net/collections/micro-drone