This forum post will be building off of the previous forum posted by -SS-Thrawn-SS- on the best way to recycle those extra crestplates for gold.
http://forum.kingdomsatwar.com/viewtopic.php?f=24&t=183520
https://docs.google.com/spreadsheets/d/12rM30f1Yd_EJzT9KMIeKgMsq-RoIaQZK7cBUBYFgRKU/edit?usp=sharing
The above is a link to the data gathered. I will be listing out the info down below for easier reference.
Lowland Crestplate
Best level to sell buildings of each land set will be colored yellow
Tier 1 Attack buildings
Level 1- 2,500
Level 2- 11,250
Level 3- 575,000
Tier 2 Attack buildings
Level 1- 175,000
Level 2- 237,500
Level 3- 325,000
Tier 3 Attack buildings
Level 1- 30,000,000
Level 2- 30,000,000
Level 3- 30,000,000
Guild
Level 1- 2,500
Level 2- 126,250
Level 3- 2,584,167
Level 4- 16,292,083
Stronghold of Shadow
Level 1- 31,680,000
Level 2- 31,680,000
Level 3- 31,680,000
Defensive Tower
Level 1- 2,500
Level 2- 238,750
Level 3- 1,159,167
Defensive Fortress
Level 1- 26,666,667
Level 2- 29,555,556
Level 3- 29,172,414
Lookout Tower
Level 1- 2,500
Level 2- 126,250
Level 3- 2,584,167
Level 4- 24,438,125
Lookout Fortress
Level 1- 28,000,000
Level 2- 29,800,000
Level 3- 29,888,889
Highland Crestplate
Volary
Level 1- 263,340,000
Level 2- 263,340,000
Level 3- 263,340,000
Level 4- 263,340,000
Tier 5 Attacks
Level 1- 250,000,000
Level 2- 250,000,000
Level 3- 250,000,000
Level 4- 250,000,000
Arboreal Dungeon
Level 1- 320,000,000
Level 2- 298,888,889
Level 3- 277,045,455
Level 4- 255,911,950
Changeling Watchtower
Level 1- 232,750,000
Level 2- 249,375,000
Level 3- 249,375,000
Level 4- 249,375,000
Hoarfrost Crestplate
All Hoarfrost Buildings
Level 1- 1,000,000,000
Level 2- 1,000,000,000
Level 3- 1,000,000,000
Level 4- 1,000,000,000
Level 5- 1,000,000,000
Level 6- 941,176,471
Level 7- 750,000,000
Level 8- 604,651,163
Level 9- 470,588,235
Level 10- 296,875,000
Abyssal Crestplate
All Abyssal Buildings
Level 1- 1,600,000,000
Level 2- 1,500,000,000
Level 3- 1,407,407,407
Level 4- 1,380,952,381
Level 5- 1,317,073,171
Level 6- 1,295,081,967
Level 7- 1,198,067,633
Level 8- 1,018,072,289
Level 9- 732,673,267
Level 10- 578,293,289
Conclusion
-For lowlands you will find the best exchange is with the Stronghold of Shadow of any level at 31,680,000 gold per crestplate.
-For Highlands the best return is with selling level 1 Arboreal Dungeon(Defense building specific to highland) at 320,000,000 gold per crestplate.
-For Hoarfrost it is best to sell any of the hoarfrost buildings at level 1-5 at 1,000,000,000 gold per crestplate.
-For Abyssal selling a level 1 of any of the abyssal set will net the best return at 1,600,000,000 gold per crestplate.
Please let me know if there are any mistakes.