diff --git a/README.md b/README.md
index 981ca736..51e4a2d2 100644
--- a/README.md
+++ b/README.md
@@ -306,6 +306,9 @@ Required `.env` variables:
 - `SCHWAB_PASSWORD`
 - `SCHWAB_TOTP_SECRET` (If 2fa is enabled, else NA)
 
+Optional `.env` variables:
+- `SCHWAB_ACCOUNT_NUMBERS=ACCOUNT#1:ACCOUNT#2` (Optional, to specify the single account numbers the bot should use when buying. If not specified, all accounts will be used)
+
 `.env` file format:
 - With 2fa: `SCHWAB=SCHWAB_USERNAME:SCHWAB_PASSWORD:SCHWAB_TOTP_SECRET`
 - Without 2fa: `SCHWAB=SCHWAB_USERNAME:SCHWAB_PASSWORD:NA`
@@ -385,6 +388,7 @@ Required `.env` variables:
 
 Optional `.env` variables:
 - `DEBUG` (Set to `True` to enable debug mode, otherwise `False`)
+- `VG_ACCOUNT_NUMBERS=ACCOUNT#1:ACCOUNT#2` (Optional, to specify the single account numbers the bot should use when buying. If not specified, all accounts will be used)
 
 `.env` file format:
 - `VANGUARD=VANGUARD_USERNAME:VANGUARD_PASSWORD:PHONE_LAST_FOUR:DEBUG`
diff --git a/schwabAPI.py b/schwabAPI.py
index aee849b7..ab4cfd2b 100644
--- a/schwabAPI.py
+++ b/schwabAPI.py
@@ -87,7 +87,8 @@ def schwab_transaction(schwab_o: Brokerage, orderObj: stockOrder, loop=None):
     print("Schwab")
     print("==============================")
     print()
-    # Buy on each account
+    # Use each account (unless specified in .env)
+    purchase_accounts = os.getenv("SCHWAB_ACCOUNT_NUMBERS", "").strip().split(":")
     for s in orderObj.get_stocks():
         for key in schwab_o.get_account_numbers():
             printAndDiscord(
@@ -97,6 +98,11 @@ def schwab_transaction(schwab_o: Brokerage, orderObj: stockOrder, loop=None):
             obj: Schwab = schwab_o.get_logged_in_objects(key)
             for account in schwab_o.get_account_numbers(key):
                 print_account = maskString(account)
+                if purchase_accounts != [""] and orderObj.get_action().lower() != "sell" and str(account) not in purchase_accounts:
+                    print(
+                        f"Skipping account {print_account}, not in SCHWAB_ACCOUNT_NUMBERS"
+                    )
+                    continue
                 # If DRY is True, don't actually make the transaction
                 if orderObj.get_dry():
                     printAndDiscord(
diff --git a/vanguardAPI.py b/vanguardAPI.py
index fbf2c62f..52199d8c 100644
--- a/vanguardAPI.py
+++ b/vanguardAPI.py
@@ -140,7 +140,8 @@ def vanguard_transaction(vanguard_o: Brokerage, orderObj: stockOrder, loop=None)
     print("Vanguard")
     print("==============================")
     print()
-    # Buy on each account
+    # Use each account (unless specified in .env)
+    purchase_accounts = os.getenv("VG_ACCOUNT_NUMBERS", "").strip().split(":")
     for s in orderObj.get_stocks():
         for key in vanguard_o.get_account_numbers():
             printAndDiscord(
@@ -150,6 +151,11 @@ def vanguard_transaction(vanguard_o: Brokerage, orderObj: stockOrder, loop=None)
             try:
                 for account in vanguard_o.get_account_numbers(key):
                     print_account = maskString(account)
+                    if purchase_accounts != [""] and orderObj.get_action().lower() != "sell" and str(account) not in purchase_accounts:
+                        print(
+                            f"Skipping account {print_account}, not in VG_ACCOUNT_NUMBERS"
+                        )
+                        continue
                     obj: session.VanguardSession = vanguard_o.get_logged_in_objects(key)
                     # If DRY is True, don't actually make the transaction
                     if orderObj.get_dry():