For some numbers.. Sinclair galvanized tilt-able 30 panel ground mount for 480W bifacials with 5"-6" vertical gap between bottom and top row was $4182 + shipping in June of 2023. So that comes out to $0.29/watt for a tilt-able mount that would last longer than the lifetime of those panels.
Solar Panel Kit. Solar Battery System. Solar Panels. 5-100W Solar panel. 120-200W Solar Panel. Solar Inverter System. Roof Mount Solar Panel Bracket. Solar Inverter.