Sealing up food and other consumable products in plastic bags is good. You can also prepare for fumigation by making sure all the doors are unlocked and open, and taking before and after pictures of the roof, sides of the house, and inside might give you some comfort knowing nothing was touched.
Sometimes after fumigation, when things are rearranged people may forget where things were placed and it may cause an unnecessary accusation to the fumigation company. You want to make sure that doesn’t happen.
After the gas has cleared and the air is tested, we’ll give the all-clear to go in the house. Your clothes and bedding etc.. will not be affected although, many people wash them anyway.