Hmm. Well these days the entry point is the CSL DD at 5nm with a set of pedals, preferably loadcell.
Csl pedals v2:
$299
Or
Csl loadcell:
$199
5nm base:
$199 when purchased with wheel or pedals
You can then buy a power supply from fanatec to make it 8nm ($149) or Google it and buy knockoff.
Wheel:
$199
So, 600-700 to get started fanatec new 5nm w/loadcell.
From here you need a rig. You could use a table clamp but there are also stands/rigs.
Inexpensive portable ones are playseat challenge or next level racing GT lite. Both in the 250 range.
You’ll need a Pc with 16mb ram, a relatively recent cpu and a decent video card, 2060 or better. For vr, I use a 3060ti and it’s fine but not super powerful.
If you play on screens you will need to choose between ultra wide or triples eventually. I would imagine you’d want a 3070 or better for triples. But, a low end card will play, too, within reason.
Iracing will be more useful/fun than KK. Only buy KK if it’s on sale for 10-15 bucks. It’s terrific as a sim but it has nothing to do other than TT.