No idea where they could have come from. The house was sprayed yesterday and I was bitten 4 times last night. Actually tonight while searching I found 3 of them which is more than I have ever seen. I have a feeling the pesticide is making them come out or something
I've dealt with them unfortunately, and it's a colossal pain in the ass. In our particular case, throwing out all our furniture simply wasn't an option. We're not poor, but furnishing 5 bedrooms and a new living room set wouldn't be cheap anywhere.
1. Bag everything you own, and only keep out what you'll need to get by for 2-3 weeks. What you keep out must be washed and dried on high heat, your local laundromat should have a heavy duty commercial dryer to do the trick. The bed bug larvae take two weeks to hatch, hence the exterminator returning in two weeks. Their goal is to get the live ones in the first trip, and the hatchlings the second go around. Doesn't always works, and living out of bags sucks ass. When they spray, remove any wall plates for light switches and power outlets. As already suggested... caulk around the baseboards. They can travel through pretty small spaces and live for a year without feeding. Two treatments if you're lucky, three is more likely.
2. Extreme heat and cold does work. -40 degrees celsius will kill in 48 minutes IIRC. Soaking your items then putting them in the freezer works, but rarely will a freezer get that cold. You're looking more like two days if you go this route. Heating to 50 degrees celsius will kill the larvae and live bed bugs in about 12 minutes, but it's not as easy as it sounds getting up that high, and I wouldn't trust any pricey electronics be kept at that temperature.
3. Double sided tape on the legs of your bed frame, and frame itself if you feel like it.
4. Bed bug mattress covers on both the mattress and boxspring. Apparently bed bugs have a real dislike for the memory foam type mattresses, and rarely will infest them.
5. My 10 year old daughter (at the time) figured out something rather simple, not really sure why others hadn't. Bed bugs only seem to come out in the dark, so we got her blinders when she suggested sleeping with the light on and on top of the covers. Dramatically cut down on her getting bit. My wife got bit a lot, yet I thought she was crazy and imagining it because I didn't at all and we slept in the same bed. Seems like bed bugs are similar to mosquitos in the sense that some people are just more attractive or smell better or something.