5E - What to Spend 100 Gold on

Gold:

4 x warrior starter kit (hide armor, two spears, shield, 6 javelins)
10 fine bottles of wine
Gemstone (50 gp) - moonstone (translucent white with pale blue glow) and gemstone (50 gp) - onyx (pure black)
A longbow and 1,000 arrows
Hire 50 mercenaries (skilled hirelings) for trouble-free day in town
Hire an alchemist to make you two potions of climbing
A suit of chainmail and art object (25 gp) - gold locket with a painted portrait inside
A crude hut
A suit of chainmail and a dulcimer
A sled and 3 mastiffs