Start with demand
Expansion materials and useful finished goods usually attract attention quickly. Common crops may need a lower price or smaller bundles when many farms are advertising the same thing.
Use bundle size as a tool
Large stacks are convenient for active buyers but require more coins and storage. Smaller stacks make an item accessible to more players and can clear mixed inventory faster.
Advertise the right slot
Place the newspaper advertisement on an item likely to earn a click, then let visitors see the rest of the shop. Advertising an oversupplied crop may bring slower traffic.
Discount only with a reason
A quick discount makes sense when the barn is blocked or a crop event floods the market. Otherwise, patience often preserves value without requiring extra production.
Price is only one lever: item choice, stack size and the advertised slot also decide selling speed.