Most DIY fixes such as plunging the toilet, augering the toilet or clearing the vent stacks, are inexpensive and effective. A flange plunger costs $5 to $10 and a toilet auger costs $10 to $20.

If the toilet gurgling stops, you’ve successfully removed the sewer clog that caused it; if the sounds continue, try troubleshooting the vent stack. Check and clear the vent stack.

Vent Stack. The vent stack in any building is the main vent pipe connecting the sewer to the roof. It’s that two- to ...