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:*

Outlaw -L- #980: The path costs 28900 coins.

Brawny -R- #304: The path costs 750 coins.

Gardener -VR- #1482: The path costs 2585 coins + 1 key = 2965 coins.

Boss -VR- #350: The path costs 2605 coins + 2 keys= 4955 coins.

Teacher -E- #639: The path costs 3800 coins + 3 keys = 7750 coins.

Peevish -E- #748: The path costs 4035 coins + 4 keys = 8565 coins.

Mongrel -E- #658: The path costs 6525 coins + 5 keys = 13645 coins.

Scarlett -E- #1481: The path costs 6700 + 6 keys = 15705 coins.

Kingpin -L- #1191: The path costs 10440 coins + 7 keys = 24970 coins.

Timelimited:

Mar 5 - 7: Hope -E- #538: The path costs 2590 coins. Here we get puzzle moves.

Mar 8 - 10: Mime -R- #1063: The path costs 7850. We can get food here.

Mar 10 - 12: Graffity Artist -E- #954: The path costs 5300 coins. Here are flightstamps.

Mar 13 - 15: Uniting -L- #1347: The path costs 9500 coins.

Mar 14 - 15: Colonel -L- #1480: The path costs 9895 coins.