Good Question.
Solar, about $5200 total. This includes wiring and misc hardware. 4 x 100 panels, 3 x 100 Battleborn, Renogy Dcc30S MPPT Alternator charging, Victron IP67 17A 110v charger.
Van build, $12,500, this includes the Solar costs. A lot of the materials (wood wire hardware) were recycled...