Maze explanation is here.
Startbonus: 300 coins
Collections: 600 coins every 8 hours (7200), Total: 7500 coins.
The total does not include coins from Dragon TV or quests.
For collecting times check this.
Dragons:
- Octopus #154, key for Deep Sea on step 9 (460 coins), the path costs 860 coins.
- Deep Sea #531, key or Mystic Blizzard on step 16 (1915 coins), the path costs 2825 coins + 1 key = 3285 coins.
- Mystic Blizzard #344, key for Deluge on step 19 (2435 coins, the path costs 3630 coins + 2 keys = 6005 coins.
- Deluge #1358, the path costs 6020 coins + 3 keys = 10830 coins.
Timelimited:
26.-28.: Polar Seraph #1245, the path costs 8165 coins.
26.-28.: JoshDub #1363 , the path costs 3040 coins.
26.-28.: EddieVR #1364, the path costs 3040 coins.
26.-28.: Mully #1362: , the path costs 3040 coins.
28.-29.: Ice King #706, the path costs 6720 coins.