Newegg.com has 128GB SanDisk High Endurance U3 V30 Video microSDXC Card w/ Adapter on sale for $18.99. Shipping is free.
Edited November 28, 2019
at 09:54 PMby
Ideal for dash cams and home monitoring systems
Designed for high endurance so you can record for up to 20,000 hours with no worries (Actual hours of video saved less; Up to 20,000 hours for 256GB; 10,000 hours for 128GB; 5,000 hours for 64GB; and 2,500 hours for 32GB)
Built for and tested in harsh conditions; temperature proof, waterproof, shockproof and x ray proof(2)
Save more videos with capacities up to 256GB (1GB = 1,000,000,000 bytes; Actual user storage less)
Record and save more Full HD or 4K videos(3) with capacities up to 256GB (Compatible device required; Full HD (1920x1080) and/or 4K UHD (3840x2160) video support may vary based on host device, file attributes, usage conditions and other factors)