It's blowing your budget, but you can also look at the Ruipro fiber HDMI cables. A 12 meter (39.37 feet) is $149.
https://www.amazon.com/RUIPRO-4K60HZ-HDMI2-0b-Supports-HDCP2-2/dp/B0759CXK4H?th=1
Not sure how they compare to ethernet extenders, but the Ruipro has gotten very good feedback and excellent 4K HDR support.
https://www.amazon.com/RUIPRO-4K60HZ-HDMI2-0b-Supports-HDCP2-2/dp/B0759CXK4H?th=1
Not sure how they compare to ethernet extenders, but the Ruipro has gotten very good feedback and excellent 4K HDR support.