Maze explanation is here.

Startbonus: 400 coins

Collections: 600 coins every 8 hours (19800) = 20200 coins.

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

For Collecting times check this.

*Dragons:*

Divination -L- #1429: The path costs 28900 coins.

Specter -R- #226: The path costs 750 coins.

Underground -VR- #1505: The path costs 2585 coins + 1 key = 2965 coins.

Shaolin -VR- #315: The path costs 2605 coins + 2 keys= 4955 coins.

Spiky -E- #338: The path costs 3800 coins + 3 keys = 7750 coins.

Big Claws -E- #223: The path costs 4035 coins + 4 keys = 8565 coins.

Pluto God -E- #1306: The path costs 6525 coins + 5 keys = 13645 coins.

Molten -E- #1506: The path costs 6700 + 6 keys = 15705 coins.

Ternion -L- #853: The path costs 10440 coins + 7 keys = 24970 coins.

*Timelimited:*

Apr9-11: Coven -E- #1426: The path costs 2590 coins. Here we get puzzle moves.

Apr12-14: Starhunter -R- #1113: The path costs 7850. We can get food here.

Apr14-16: Kong -E- #628: The path costs 5300 coins. Here are flightstamps.

Apr17-19: Vanargand -L- #1437: The path costs 9500 coins.

Apr18-19: Sand Vixen -L- #1504: The path costs 9895 coins.