As of late August 2019 - made by Happygoatman

Maple log 300-500 gp (limited suppliers)
Yew log - 300-500 gp
Magic log - 800gp-1k.

Tuna 75gp-150gp
Lobster - 500-750gp
Swordfish - 850-1300 gp (varies on demand)
Shark - 650-1200gp (often cheaper than swordies)
Sea turtle - 1.25k - 2k
Manta ray 1.5k - 2.5k

Iron ore - 500-1500 gp. (Varies on demand)
Mithril ore - 500-1000 gp.
Adamantite ore - 2k.
Runite ore - 8k-12k.
Silver - 150-250 gp.
Gold 500-1500 gp. (Varies on demand)
Coal - 500-750 gp.

Irits - 3k-4k
Kwuarms - 5k-7k
Cads - 6k-8k
Ranarrs - 4k-6k
Avantoe 2k-3k
Dwarfs - 4k-6k
Torstol - 6k-8k

Air runes - 14gp - 22gp
Fire runes 14gp - 25gp
Water runes 10gp - 20gp
Earth runes 10gp - 20gp
Cosmic - 60gp- 100gp
Law runes - 70gp - 100gp
Nature runes - 75gp - 150gp (varies on demand)
Soul runes - 750gp - 1.2k (varies on demand)
Body runes - 5gp - 10gp
Mind runes - 5gp - 10gp
Chaos runes 10gp - 20gp
Death runes 135gp - 200gp (varies on demand)
Blood runes 130gp - 185gp (usually cheaper than deaths)

Dragon Sword - 85k - 100k
Dragon Axe - 220k - 280k
Rune 2h Sword 45k - 60k
Rune B Axe - 30k - 38k
Addy 2h Sword - 6k - 10k
Mithril 2h Sword- 3k - 5k
Black 2h Sword - 1k - 2k
Steel 2h sword - 1k<
Iron 2h Sword - 300gp - 600gp

Dragon medium helmet - 225k - 300k
Dragon square shield - 750k - 1m
Left half D Square - 200k- 300k
Right half D Square - 550k - 750k
Rune platebody - 60k - 80k
Rune platelegs - 55k - 65k
Rune kiteshield - 35k - 45k
Rune large helm - 28k - 35k
Rune chainbody - 30k - 40k

Saph ammy of magic - 500gp - 2k
Emerald ammy of def - 1k - 2k
Ruby ammy of Str - 2k - 5k
Diamond ammy of power - 2k - 5k
Dragonstone amulet - 10k - 12k
Charged dragonstone amulet- 11k - 13.5k