Craft

Use a DC of the item's level, adjusted for rarity.

Earn Income Tasks

The task level is typically the settlement's level, and its DC uses the task level. Typical levels: village 0–1, town 2–4, city 5–7.

Gather Information

Set a simple DC based on the notoriety of the subject; adjust upward if the character seeks in-depth information.

Identify Magic or Learn a Spell

Use the DC for the spell or item's level, adjusted by rarity; use the incredibly hard adjustment for cursed items.

Recall Knowledge

Set a simple DC; if the character tries again for more knowledge, adjust the DC one step higher each time until they fail or attempt an incredibly hard check.

Sense Direction

Pick a simple DC: trained in normal wilderness, expert in deep forest/underground, master or legendary in weird/surreal environments.

Social Skills

Use Will DC if known; if not, improvise a level.

Track

Select a simple DC, or a Survival DC if the quarry Covers Tracks.