Ore Mine Variant (5e Equipment)
From D&D Wiki
Cost: 200 gp
This is a business that a player can buy and own. This mine produces 50 gp in raw stone per week and has monthly expenses of 25 gp. The mine can be upgraded to provide more types of minerals and higher yields. For any questions of regarding volume assume each week 100lbs of each material is pulled up.
Marble: Costs 100 gp, and increases monthly costs by 15 gp, struck a marble vein nice decorative stuff sells good. The mine now produces +50 gp more of raw stone per week.
Coal: Costs 200 gp, and increases monthly costs by 30 gp, the good stuff this will actually put some money in your pocket. The mine now produces +100 gp of coal per week.
Copper: Costs 250 gp, and increases monthly costs by 35 gp, now this is what we're talking about copper the stuff people need to make tools and keep civilization going. The mine now produces +200 gp of copper per week.
Iron: Costs 300 gp, and increases monthly costs by 40 gp, aye this stuff will put ya on the map it's what everybody wants when none is ever found. The mine produces +300 gp of iron per week.
Silver: Costs 350 gp, and increases monthly costs by 45 gp, this stuff is fer fancy folk not fer a working man but it'll get us coin. The mine now produces +400 gp of silver per week.
Tin: Costs 250 gp, and increases monthly costs by 20 gp, basically worthless but hey having a stockpile taint bad. The mine produces +150 gp of tin per week.
Gold: Costs 500 gp, and increases monthly costs by 50 gp, now we hit jackpot no point in going any further but if ye want then we might as well. The mine produces +550 gp of gold per week.
Platinum: Costs 1000 gp, and increases monthly costs by 75 gp, by the gods to think it couldn't get better never let me doubt ya. The mine produces +700 gp of platinum.
Sulphur: Costs 200 gp, and increases monthly costs by 50 gp, dangerous stuff hear it makes guns go boom you sure we should be digging this stuff up? The mine now produces 150 gp of Sulphur per week.
Lead: Costs 150 gp, and increases monthly costs by 10 gp, most mages hate this stuff say they can't cast through it. The mine produces +100 gp of lead per week.
Cold Iron: Costs 2000 gp, and increases monthly costs by 100 gp, aye this be some dangerous stuff it can burn elves and the like at just a touch. The mine produces +1000 gp of cold iron per week.
Gem vein: Costs 3000 gp, and increases monthly costs by 200 gp, by Grimgi's beard we struck riches, The mine produces +1500 gp of gems and jewels per week.
Meteor Ore: Costs 4000 gp, and increases monthly costs by 300 gp, never seen ore like this must not be from this world? The mine now produces +2000 gp of meteor ore per week.
Mithral: Costs 5000 gp, and increases monthly costs by 400 gp, those knife ears aren't gonna be happy about this but who cares what they want. The mine now produces +2500 gp of Mithral per week.
Adamantine: Costs 6000 gp, and increases monthly costs by 500 gp, haha now this puts a smile on an old dwarf's face. The mine produces +3000 gp of adamantium per week.