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 runner, quests or dragon tv.

For Collecting times check this.

*Dragons:*

Tiger -R- #544: The path costs 860 coins.

Key for Joseon on step 9 (460 coins); Lost page chest on step 10 (580 coins).

Joseon -VR- #252: The path costs 2825 coins + 1 key = 3285 coins.

Key for Flame Virago on step 16 (1915 coins); Lost page chest on step 13 (1335 coins).

Flame Virago -E- #1271: The path costs 3630 coins + 2 keys = 6005 coins.

Key for Aladdin on step 19 (2435 coins); Lost page chest on step 21 (2850 coins).

Aladdin -L- #1447: The path costs 6020 coins + 3 keys = 10830 coins.

Lost page chest on step 11 (1515 coins) and 20 (4970 coins).

Timelimited:

12.-14.: East Wind -L- #1370: The path costs 8165 coins.

Lost page chests on step 3 (185 coins) and step 23 (7535 coins).

13.-14.: Heatwave -L- #1342: The path costs 6720 coins.

Lost page chest on step 19 (5085 coins).

Explanation for the sheet:

Yellow fields have keys, brown fields have lost page chests.