Maze explanation is here.

Startbonus: 400 coins

Collections: 600 coins every 8 hours (5400) = 5800 coins.

The total does not include coins we can get from quests or dragon tv.

For Collecting times check this.

*Dragons:*

Crest -R- #468: The path costs 860 coins.

Key for Thor on step 9 (460 coins); Raidchest on step 10 (580 coins).

Thor -VR- #196: The path costs 2825 coins + 1 key = 3285 coins.

Key for Electric Knight on step 16 (1915 coins); Raidchest on step 13 (1335 coins).

Electric Knight -E- #1201: The path costs 3630 coins + 2 keys = 6005 coins.

Key for Vanargand on step 19 (2435 coins); Raidchest on step 15 (1705 coins).

Vanargand -L- #1437: The path costs 6020 coins + 3 keys = 10830 coins.

Raidchest on step 20 (4970 coins).

Timelimited:

8.- 10.: Hope&Despair -L- #1351: The path costs 8165 coins.

Raidchests on step 3 (185 coins) and step 23 (7535 coins).

9.- 10.: Chillheart -L- #1293: The path costs 6720 coins.

Raidchest on step 19 (5085 coins).