You have to buy wonderefuls of Charlie in the forestry area.
load from your last save
by sleeping
Mythic is the best.
no, it will always cost money.
You upgrade tools by using it and it levels up. To actually use the leveled up form, you have to go to the Blacksmith's shop in the Garmon Mine District to upgrade it. You have to get the specific ores required for the upgrade and a specific fee.
win contests or you can buy them at a special time in winter... they atatch to your tools to make the more powerful (attatch a yellow wonderful to your hammer and you can break the big rock in your farm...top left)
At Saibara's blacksmith shop, it's the first shop you come to when going into town right beside the orchard.
You have to call Saibara the Blacksmith by going over to the phone in your house. But before you do this you have to have obtained ores from the mine. Hope this helps. :)
On Harvest moon DS you have to unlock 2 on the Harvest sprite station
You have to unlock the first mine by walking into the excavation site after 9pm. When you are in the first mine you must collect mystrile by breaking the rocks with your hammer. Make sure that you have the necessary levels for your tools by clicking on your asset screen and then the picture of yourself. If the levels are 100% call saibara the blacksmith and ask him to upgrade your tools to mystrile.
you get them for free when you start but if you want to use wonderfuls in them you need to buy new ones from gannon
You go to the mine and find copper, silver or gold and have them in your russack as well as the tool. Go to saibara's shop. (blacksmith) Go to his counter and click upgrade.