Three gear packages

Complete parts lists. Every one works with GSPro. Prices are for gear only, before construction or labor.

Starter

~$3k

Trying sim golf on a budget

Launch monitor: Garmin R10, ~$500 (spin is estimated)
Subscription: Garmin Golf ~$100/yr, optional with GSPro
Software: GSPro ~$250/yr
Enclosure: DIY frame kit, ~$800–$1,000
Projector: 1080p budget projector, ~$400–$600
Hitting mat: Basic mat, ~$150–$400
PC: Used gaming PC, ~$300–$500
Room: ~10 ft wide, ~15 ft deep

Mid

~$8k

Serious practice and regular play

Launch monitor: FlightScope Mevo Gen2, ~$1,300
Subscription: None
Software: GSPro ~$250/yr
Enclosure: Pre-built enclosure, ~$3,100–$4,000
Projector: 4K short-throw, ~$1,500–$2,900
Hitting mat: Softer fiber-turf mat, ~$400–$750
PC: New gaming PC, ~$1,000–$1,500
Extras: Turf, side netting
Room: ~12 ft wide, ~15–17 ft deep

Premium

~$20k

A finished, dedicated bay

Launch monitor: Foresight GC3, ~$4,000
Subscription: None
Software: GSPro ~$250/yr
Enclosure: Custom framing and padding, ~$2,500–$6,000
Projector: 4K laser short-throw, ~$3,500–$4,900
Hitting mat: Premium mat, ~$1,000+
PC: High-end PC, ~$2,000+
Extras: Turf over subfloor, lighting, audio
Room: Camera unit near the ball, so less depth needed

Running cost: about $250 to $350 a year for software and subscriptions. Upgrade path: start with Starter and upgrade the launch monitor first, then the projector, then the enclosure. The software and PC carry over.