As a general rule of thumb when playing, as soon as you get the sapphire drop upgrade and a decent amount of characters mining, sell gems as soon as they arrive. Diamonds in particular give 5000 per unit, so those are one of the best. Same with bones and artifacts, with artifacts being the best of the rare drops, giving 25000 a pop, and bones giving 10000 (I assume they mean dino bones, which in real life are also quite valuable)
Suggestions for better progression: Each level adds 0.0001% to base mining speed, so it gets progressively better for early game ores, but still remains a challenge to mine the later ores. Also, perhaps a linear cost increase system instead of exponential to lessen the burden of upgrading. Increasing to trillions in cost to upgrade the merchant is a bit much early on.
Perhaps include sound effects for the buttons? Like a pickaxe sound for the miner, a flickering flame sound for the smelter, hammer & anvil sound for the blacksmith, a magical sound for the enchanter, and a cha-ching sound for the merchant. Would make it much better.
Mrcaboom, seems there is a bug with high score submission. It submitted my business rank high score when I reached 4, but after that, no submission. Any chance you could fix this?
Will this game ever be made compatible with other browsers like Firefox? It's a much better browser than IE or Safari. Come on, New Idle Blacksmith is Unity and it works!
Anyone looking for sell lowest ore can sell craft materials at business level 10. I'm aiming for it myself, so I can sell off ore and ingots I'm no longer using to level up.