diff --git a/onionshare_gui/settings_dialog.py b/onionshare_gui/settings_dialog.py
index 7c81afc6..adf0657c 100644
--- a/onionshare_gui/settings_dialog.py
+++ b/onionshare_gui/settings_dialog.py
@@ -496,6 +496,9 @@ class SettingsDialog(QtWidgets.QDialog):
         """
         if checked:
             self.tor_bridges_use_custom_textbox_options.hide()
+            # Alert the user about meek's costliness if it looks like they're turning it on
+            if not self.old_settings.get('tor_bridges_use_meek_lite_amazon'):
+                Alert(strings._('gui_settings_meek_lite_expensive_warning', True), QtWidgets.QMessageBox.Warning)
 
     def tor_bridges_use_meek_lite_azure_radio_toggled(self, checked):
         """
@@ -503,6 +506,9 @@ class SettingsDialog(QtWidgets.QDialog):
         """
         if checked:
             self.tor_bridges_use_custom_textbox_options.hide()
+            # Alert the user about meek's costliness if it looks like they're turning it on
+            if not self.old_settings.get('tor_bridges_use_meek_lite_azure'):
+                Alert(strings._('gui_settings_meek_lite_expensive_warning', True), QtWidgets.QMessageBox.Warning)
 
     def tor_bridges_use_custom_radio_toggled(self, checked):
         """
diff --git a/share/locale/en.json b/share/locale/en.json
index 10493933..4cd1c418 100644
--- a/share/locale/en.json
+++ b/share/locale/en.json
@@ -106,6 +106,7 @@
     "gui_settings_tor_bridges_meek_lite_amazon_radio_option_no_obfs4proxy": "Use built-in meek_lite (Amazon) pluggable transports (requires obfs4proxy)",
     "gui_settings_tor_bridges_meek_lite_azure_radio_option": "Use built-in meek_lite (Azure) pluggable transports",
     "gui_settings_tor_bridges_meek_lite_azure_radio_option_no_obfs4proxy": "Use built-in meek_lite (Azure) pluggable transports (requires obfs4proxy)",
+    "gui_settings_meek_lite_expensive_warning": "Warning: the meek_lite bridges are very costly for the Tor Project to run!<br><br>You should only use meek_lite bridges if you are having trouble connecting to Tor directly, via obfs4 transports or other normal bridges.",
     "gui_settings_tor_bridges_custom_radio_option": "Use custom bridges",
     "gui_settings_tor_bridges_custom_label": "You can get bridges from <a href=\"https://bridges.torproject.org/options\">https://bridges.torproject.org</a>",
     "gui_settings_tor_bridges_invalid": "None of the bridges you supplied seem to be valid.\nPlease try again with valid bridges.",