diff --git a/advisor.py b/advisor.py
index 5724dce..875ed6d 100644
--- a/advisor.py
+++ b/advisor.py
@@ -38,8 +38,8 @@ def missing_materials(
 
 def crafts_to_next_level(xp_remaining: int, xp_per_item: float) -> int:
     if xp_remaining <= 0 or xp_per_item <= 0:
-        return 1
-    return max(1, int((xp_remaining + xp_per_item - 1) // xp_per_item))
+        return 0
+    return int((xp_remaining + xp_per_item - 1) // xp_per_item)
 
 
 def advise_skill(
diff --git a/static/app.js b/static/app.js
index f684f34..d79b46d 100644
--- a/static/app.js
+++ b/static/app.js
@@ -804,8 +804,11 @@ function renderSkillAdvisorCard() {
     const eta = rec.eta_minutes_to_level > 0
       ? t("skills.advisorEta", { minutes: fmt(rec.eta_minutes_to_level) })
       : "—";
-    const crafts = rec.crafts_to_next_level || 1;
+    const crafts = rec.crafts_to_next_level ?? 0;
     const goalLabel = t("skills.advisorAdoptGoalFor", { name: rec.display_name, count: fmt(crafts) });
+    const goalCell = crafts > 0
+      ? `<button type="button" class="goal-add-btn skill-advisor-goal-btn" data-activity-key="${esc(rec.activity_key)}" data-crafts="${crafts}" title="${esc(goalLabel)}" aria-label="${esc(goalLabel)}">+</button>`
+      : `<span class="inv-spark-empty">—</span>`;
     return `<tr>
       <td>${esc(rec.display_name)}</td>
       <td class="num">${rec.xp_per_minute.toFixed(1)}</td>
@@ -813,7 +816,7 @@ function renderSkillAdvisorCard() {
       <td class="skill-advisor-mats">${esc(mats)}</td>
       <td class="num">${esc(eta)}</td>
       <td class="col-actions">
-        <button type="button" class="goal-add-btn skill-advisor-goal-btn" data-activity-key="${esc(rec.activity_key)}" data-crafts="${crafts}" title="${esc(goalLabel)}" aria-label="${esc(goalLabel)}">+</button>
+        ${goalCell}
       </td>
     </tr>`;
   }).join("");
@@ -878,7 +881,8 @@ async function adoptAdvisorItemGoal(activityKey, crafts) {
   if (!adv?.supported || !activityKey) return;
   const rec = adv.recommendations?.find((r) => r.activity_key === activityKey);
   const name = rec?.display_name || activityKey.replace(/_/g, " ");
-  const count = crafts > 0 ? crafts : 1;
+  const count = Number(crafts);
+  if (!count || count <= 0) return;
   const res = await fetch(`${apiBase()}/goals`, {
     method: "POST",
     headers: { "Content-Type": "application/json" },
diff --git a/test_advisor.py b/test_advisor.py
index a70979b..714ba85 100644
--- a/test_advisor.py
+++ b/test_advisor.py
@@ -41,6 +41,8 @@ class AdvisorTests(unittest.TestCase):
 
     def test_crafts_to_next_level(self) -> None:
         self.assertEqual(crafts_to_next_level(100, 12.5), 8)
+        self.assertEqual(crafts_to_next_level(0, 12.5), 0)
+        self.assertEqual(crafts_to_next_level(10, 0), 0)
 
     def test_item_goal_from_recipe_not_in_inventory(self) -> None:
         from db import create_goal, get_connection, import_save, init_db