I haven't personally used these radios but they seem to be highly recommended budget options from people in the know: - BetaFPV LiteRadio 2 - Jumper T-Lite

In terms of a pc simulator I have used Velocidrone which everyone says has the most realistic physics but is not necessarily the prettiest.

You might also find the following site useful as a shopping guide: - https://www.fpvknowitall.com/fpv-shopping-list-controller-an...

It's an addictive and fun hobby for which I'm still in the initial stages of.

Happy flying!

Edit: first time posting / trying to format properly.