Plain Vinegar and both Apple Cider Vinegar make a good bug repellent to keep bugs away from your home and spaces.
Take a spray bottle and put some vinegar or apple cider vinegar into the spray bottle and then add some herbs to the vinegar or apple cider vinegar such as catnip, Lavender,sage, mint or even thyme and then mix the vinegar and herbs together in the spray bottle.
Now just spray the vinegar or apple cider vinegar wherever you want to repel bugs from and the vinegar and/or apple cider vinegar along with the herbs will work to repel the bugs.