Pop class: number of digits in population size.
Broker points: lowest of cha and int
Favorability: 2 (less if there is trouble).
Sutract 4 from favorability for unsolicited.
Price per bag: multiply by 8d6 + mods
Amount of merchants: (1d6 + pop class - 5) / 2 (round up)
Local ceiling factor: pop class squared × 10
Transaction ceiling: 2d6 × ceiling factor (separate roll for each transaction)
1gp gear: each merchant has a bagful
2-99gp gear: each merchant has one
100gp+ gear: every fourth merchant has one

1d12+1d20
3 Wheat 1 cp
4 Flour 2 cp
5 Salt 5 cp
6 Iron 1 sp
7 Canvas 1 sp
8 Cotton cloth 5 sp
9 Ginger 1 gp
10 Cinnamon or pepper 2 gp
11 Cloves 3 gp
12 Linen 5 gp
13 Rope, 1 feet 2 cp
14 Precious wood 6 sp
15 Common wood 7 cp
16 Oil 1 sp
17 Salted fish 2 sp
18 Hides 4 sp
19 Pottery 2 gp
20 Dye & pigments 1 gp
21 Glassware 4 gp
22 Butter 2 sp
23 Coconuts 1 sp
24 Coarse sugar 1 gp
25 Dates 2 sp
26 Honeycombs 1 gp
27 Nuts 1 gp
28 Olives 8 sp
29 Raisins 2 sp
30 Rice 1 sp
31 Tanned skins 1 sp
32 Wine 2 cp

Rolling doubles means precious merchandize, and the merchant's
ceilings are five times higher.

1 Orichalcum 1 gp
2 Find Familiar spell components 10 gp
3 Teleportation Circle spell components 50 gp
4 Porcelain 10 gp
5 Rare books 30 gp
6 Silk 10 gp
7 Saffron 15 gp
8 Potion of healing 50 gp
9 Ruby* 17 gp
10 Adamantine* 17 gp
11 Agate* 33 gp
12 Diamonds* 17 gp

Asterisk: One "bag" is just a tiny item.
Otherwise a bag is 30 pounds or two stone.

Passengers: 1d6 + pop class + dest pop class + broker points - 10
20 dinars per 500 miles (17 hexes)

When dying cloth → every sack of dye can dye six rolls of cloth. It
doubles the value of the cloth.