So, I set off to calculate how much the building items cost - while waiting for crossoutdb to catch up.
This is what I have, prices in gold - gross and net after sale. The numbers are rounded, so a 9 could be 8.01 actually.
Item Sum Net
--- --- ---
Square platform 6*6*3 4 2
Concrete block 6*6*6 4 2
Concrete ramp 6*6*3 4 2
Concave concrete ramp 6*6*3 4 2
Concrete beam 6*9*6 8 6
Concrete beam 6*12*6 8 6
Ramp with a platform 6*12*3 8 6
Concrete ring 4 2
Rusty mark 50 m 9 7
Rusty mark 100 m 9 7
Rusty mark 150 m 9 7
Rusty mark 200 m 9 7
Rusty mark 300 m 9 7
Military sign 50 m 9 7
Military sign 100 m 9 7
Military sign 150 m 9 7
Military sign 200 m 9 7
Military sign 300 m 9 7
Wire fence 9 7
Fencing 9 7
Woven guard 9 7
Torch 9 7
Torch with ring 9 7
Triangular road sign 9 7
Stop sign 9 7
Small metal canopy 9 7
Metal canopy 9 7
Small stack of pallets 9 7
Stack of pallets 9 7
Damaged windmill 9 7
Windmill 9 7
Scaffolding 9 7
Small barricade of bags 9 7
Barricade of bags 9 7
Corner barricade of bags 9 7
Stack of tyres 9 7
Two stacks of tyres 9 7
Burning barrel 9 7
Barrel cluster 9 7
Barrel bundle 9 7
Red barrels 9 7
Gas tanks 9 7
Concrete beam 6*18*6 23 20
Square platform 12*12*6 23 20
Ramp with a platform 12*12*3 23 20
Twin ramp 6*18*3 23 20
Twin ramp 6*12*6 23 20
Half arc 6*12*9 23 20
Slanted beam 6*12*6 23 20
Curved beam 6*12*6 23 20
Triangular ramp 6*24*6 23 20
Large ramp 6*12*6 23 20
Gentle ramp 23 20
Wide ramp 23 20
Steep ramp 23 20
Ramp of the Horsemen 23 20
Concrete wall 23 20
Broken wall 23 20
Buffer of bags 23 20
Small broken wall 23 20
Small wall 23 20
Wall with slots 23 20
Metal wall 23 20
Large fence 23 20
Old container 23 20
Engineers Container 23 20
Small partition 23 20
Large partition 23 20
Damaged partition 23 20
Concrete beam 6*30*6 51 43
Square platform 18*18*6 51 43
Ramp with a platform 12*18*3 51 43
Large ramp 6*18*9 51 43
Scavenger scrap heap 51 43
Scavenger barricade 51 43
Watchtower 51 43
Torn-off crane 51 43
Gate frame 51 43
Engineer's cache 51 43
Radio tower 51 43
Old RV 51 43
Old trailer 51 43
Freight car 51 43
Open freight car 51 43
Training minibus 51 43
Training car 51 43
Training truck 51 43
Training van 51 43
Training bus 51 43
Square platform 30*30*6 106 93
Large ramp 6*30*15 106 93
Dummy target 107 94
Slanted target 107 94
Diesel generator 107 94
Pumpjack 107 94
Military van 107 94
Trailer 107 94
Passenger car 107 94
Gasholder 107 94
Tank 107 94
Mysterious cube 107 94
White horse 107 94
Autocatapult 333 296
Old Chinook 333 296
Ferris wheel 334 297
Park gate 335 298