There are many, many general stores in runescape, on is in lumbridge by the castle, in varrock, there are is about a general store in every town.
Explorer Jack can be found next to Lumbridge General Store.
in lumbridge, inside the training building, which is just north of the castle and next to the general store.
the underground one collapsed, so you cant get in.
you can buy the from beefy bob. (he is located on the road between Varrok and Lumbridge)
There is a shop in Lumbridge that gives a free bronze hatchet and a free bronze pick axe. :)
You can start The Restless Ghost Quest and Speak to Father Urney on Lumbridge Swamp!
one windmill is rigth near Lumbridge were the sheeps are..and I'll come back and look for the other Windmills
pretty much anywhere... theres some outside of the lumbridge castle to name one place
Meet them somewhere in rune scape Eg: Lumbridge ,Varrock,Falador etc. Their is really no other way.
I usually first try to buy anything in the Grand Exchange. If that doesn't work for a while, you can go to a fishing shop, like the one in Lumbridge. Use the World Map to locate it.
I remember two of the three people. If you complete the beginner task, you can go to the Explorer Jack beside the Lumbridge General Store to get it. I can't remember for the easy task, but for completing the medium task, you can get it from Ned the rope maker a.k.a. the ex-sailor in draynor opposite the bank.
there is a smelting place in lumbridge, just go to the huge oven looking thing near the bridge, put a kind of ore or coal in the thing.