diff --git a/src/main/java/com/yourorg/servershop/gui/SellMenu.java b/src/main/java/com/yourorg/servershop/gui/SellMenu.java
index 1cceda8..6ee0d52 100644
--- a/src/main/java/com/yourorg/servershop/gui/SellMenu.java
+++ b/src/main/java/com/yourorg/servershop/gui/SellMenu.java
@@ -8,6 +8,9 @@
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 
+import com.yourorg.servershop.logging.Transaction;
+
+import java.time.Instant;
 import java.util.*;
 
 public final class SellMenu implements MenuView {
@@ -53,6 +56,7 @@ public void refresh(Player p) {
 
     private void sellAll(Player p) {
         double total = 0.0; int stacks = 0;
+        List<Transaction> txs = new ArrayList<>();
         for (int i = 0; i < p.getInventory().getSize(); i++) {
             ItemStack s = p.getInventory().getItem(i);
             if (s == null) continue; var m = s.getType();
@@ -62,11 +66,12 @@ private void sellAll(Player p) {
             double amount = unit * qty;
             total += amount; stacks++;
             p.getInventory().setItem(i, null);
-            plugin.logger().logAsync(new com.yourorg.servershop.logging.Transaction(java.time.Instant.now(), p.getName(), com.yourorg.servershop.logging.Transaction.Type.SELL, m, qty, amount));
-            // TODO: consider calling plugin.dynamic().adjustOnSell(m, qty) per TODO list
+            plugin.dynamic().adjustOnSell(m, qty);
+            txs.add(new Transaction(Instant.now(), p.getName(), Transaction.Type.SELL, m, qty, amount));
         }
         if (total > 0) plugin.economy().depositPlayer(p, total);
         p.sendMessage(plugin.prefixed(plugin.getConfig().getString("messages.soldall").replace("%count%", String.valueOf(stacks)).replace("%total%", String.format("%.2f", total))));
+        txs.forEach(plugin.logger()::logAsync);
         refresh(p);
     }
 
diff --git a/src/main/java/com/yourorg/servershop/shop/ShopService.java b/src/main/java/com/yourorg/servershop/shop/ShopService.java
index 95325a3..9565ced 100644
--- a/src/main/java/com/yourorg/servershop/shop/ShopService.java
+++ b/src/main/java/com/yourorg/servershop/shop/ShopService.java
@@ -2,12 +2,14 @@
 
 import com.yourorg.servershop.ServerShopPlugin;
 import com.yourorg.servershop.logging.Transaction;
+import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 
 import java.time.Instant;
 import java.util.Optional;
+import java.util.concurrent.ExecutionException;
 
 public final class ShopService {
     private final ServerShopPlugin plugin;
@@ -15,6 +17,18 @@ public final class ShopService {
     public ShopService(ServerShopPlugin plugin) { this.plugin = plugin; }
 
     public Optional<String> buy(Player p, Material mat, int qty) {
+        if (!Bukkit.isPrimaryThread()) {
+            try {
+                return Bukkit.getScheduler().callSyncMethod(plugin, () -> buySync(p, mat, qty)).get();
+            } catch (InterruptedException | ExecutionException e) {
+                Thread.currentThread().interrupt();
+                return Optional.of("Internal error");
+            }
+        }
+        return buySync(p, mat, qty);
+    }
+
+    private Optional<String> buySync(Player p, Material mat, int qty) {
         var opt = plugin.catalog().get(mat);
         if (opt.isEmpty() || !opt.get().canBuy()) return Optional.of(msg("not-for-sale").replace("%material%", mat.name()));
         String cat = plugin.catalog().categoryOf(mat);
@@ -38,6 +52,18 @@ public Optional<String> buy(Player p, Material mat, int qty) {
     }
 
     public Optional<String> sell(Player p, Material mat, int qty) {
+        if (!Bukkit.isPrimaryThread()) {
+            try {
+                return Bukkit.getScheduler().callSyncMethod(plugin, () -> sellSync(p, mat, qty)).get();
+            } catch (InterruptedException | ExecutionException e) {
+                Thread.currentThread().interrupt();
+                return Optional.of("Internal error");
+            }
+        }
+        return sellSync(p, mat, qty);
+    }
+
+    private Optional<String> sellSync(Player p, Material mat, int qty) {
         var opt = plugin.catalog().get(mat);
         if (opt.isEmpty() || !opt.get().canSell()) return Optional.of(msg("not-sellable").replace("%material%", mat.name()));
         String cat = plugin.catalog().categoryOf(mat);