Stand Materials listing:
4 @ 2 X 4 X 10 - $4.22 each = $16.88 (We went with the better looking wood as we did not know if we were going to use a light or dark stain, cheaper options are available)
2 @ 2 X 6 X 8 - $4.76 each = $9.52 (We went with the better looking wood as we did not know if we were going to use a light or dark stain, cheaper options are available)
2 @ #10 4" Deck Screws - $9.37 each = $18.74 (Cheaper options available)
1 @ #9 2 1/2" Deck Screws - $7.99 (Cheaper options available)
1 @ 15 Pack Orbital Sanding Paper = $7.98 (Cheaper options available)
1 @ Quart Stain = $9.49
1 @ 10 Pack Paint Rags $3.97 (Could use old T-Shirts, I've used all mine up by now)
3 @ 1 1/2" Brush - $1.79 each = $5.37 (Cheaper options available, could just use the cloths + 1 brush for the Polyurethane)
1 @ 1/2 Pint Polyurethane $6.47
So far $77.04 + A lot of hours. You could probably get the cheaper options for around $35-40.
Tank Materials
40G = $40
Glass top = $22.99 (Could have glass cut for less)
50W heater with adjustable temp = $17.99 (reused old heater)
10 ft 2" PVC Pipe = $8.44 (reused old pieces)
Lighting Egg Crating = $12.49 (reused old pieces)
Silicone = $5.98 (used current tube)
8' X 4' X 3/4" Refective Foam board = $10.33
PVC fitting for flood/drain pipe = $8.03
Add another $126.25 + A lot less hours than the stand, ALOT less. If you went the cheapest route you could probably do this part for around $75-80.