diff --git a/ebay_api.py b/ebay_api.py
index 234c084..ddf9d40 100644
--- a/ebay_api.py
+++ b/ebay_api.py
@@ -72,9 +72,8 @@ class ShoppingApi:
         Gets raw JSON data from multiple live listings given multiple itemIds
         '''
 
-        with open('ids.txt') as f:
-            ids = json.load(f)
-            item_id_results = [','.join(ids[n:n+20]) for n in list(range(0, len(ids), 20))] # 20-ItemID list created to maximize dataset/decrease calls given call constraints
+        with open('item_id_results.txt') as f:
+            item_id_results = json.load(f)
 
         headers = {
             "X-EBAY-API-IAF-TOKEN":cfg.sec['X-EBAY-API-IAF-TOKEN'], # TODO implement auto oauth token renewal
@@ -114,9 +113,8 @@ class ShoppingApi:
             data = []
 
         try:
-            with open('ids.txt') as f:
-                ids = json.load(f)
-                item_id_results = [','.join(ids[n:n+20]) for n in list(range(0, len(ids), 20))] # 20-ItemID list created to maximize dataset/decrease calls given call constraints
+            with open('item_id_results.txt') as f:
+                item_id_results = json.load(f)
 
         except (FileNotFoundError, ValueError):
             item_id_results = scrape_ids.main()
diff --git a/scrape_ids.py b/scrape_ids.py
index 6a9ba64..8f0f931 100644
--- a/scrape_ids.py
+++ b/scrape_ids.py
@@ -79,17 +79,24 @@ def get_ids(url):
 
 def threaded_get_ids(urls):
     
-    ids = []
+    try:
+        with open('item_id_results.txt') as f:
+            ids = json.load(f)
+    except FileNotFoundError:
+        ids = []
 
     with concurrent.futures.ThreadPoolExecutor() as executor:
         for future in executor.map(get_ids, urls):
             ids.extend(future)
+
     item_id_results = [','.join(ids[n:n+20]) for n in list(range(0,
     len(ids), 20))] # 20-ItemID list created to maximize dataset/decrease calls given call constraints
-    with open('ids.txt', 'w') as f:
-        json.dump(ids, f)
+
+    with open('item_id_results.txt', 'w') as f:
+        json.dump(item_id_results, f)
 
     return item_id_results
+
 def main():
     urls = threaded_urls()
     item_id_results = threaded_get_ids(urls)