Thank you, Mike! I took Jeff's comment as a bit of a tease and a bit of just observation! One thing with the old wood, I don't have a problem with warping like @BillYo414 Bill experienced with his plywood on his layout build topic. Some of mine has been well seasoned for decades. I did buy poplar 1x3s and 1x2s which seemed reasonably prices and one sheet of 3/4" 7-ply plywood that was a bit expensive, but worked well for some critical applications.
I forgot to mention, before tackling the final support of the ramp and finished the track and power drop for the passing siding. I have not run a train over it, though.