Garmin Approach R10 Portable Golf Launch Monitor $400 at Amazon $400 $600 1K+ bought in past month. Amazon has the Garmin Approach R10 Portable Golf Launch Monitor for $400 with free shipping. Tracks your golf metrics, has up to 10 hours battery life and 42000+ virtual golf courses. Here's the My Golf Spy review. $400 retail: $600 Posted by DrBatman03/31/2026 at 01:51 PM PT