Was just in the local lowes store checking out the clearance section and found several rolls of wire.
https://www.lowes.com/pd/500-ft-16-2-In-Wall-Speaker-Wire-By-the-Roll/3332626
https://brickseek.com/lowes-inventory-checker/?sku=3332626
Also found 500ft of 14 gauge stranded wire for $11 a roll
https://www.lowes.com/pd/Southwir…l/50101594
https://brickseek.com/lowes-inven…u=50101
Hope this helps someone, and wish I knew how to search the entire lowes site for all wire on clearance.