Hi,
So a background on the situation. My husband and I bought our third property (a duplex) for a house hack. The downstairs unit already had a tenant and we knew he was very dirty from the inspection. The upstairs unit had been vacant for some time. Before closing, we had a pest inspection done and no active infestations were found (which within a day of moving we knew the inspector was full of crap from all the mice the downstairs tenant was attracting). We renovated our unit (about 1 month) and then moved in. We came from a our single family home and have never had bed bug issues before, and within 2 months of moving in my husband was getting bit and shortly after we found our first bed bug.
We immediately called an exterminator and he spent about an hour taking apart our unit and found one dead bed bug.
But then we went downstairs and within 2 seconds he found HUNDREDS on this guys couch, dozens on his kids beds (new mattresses I might add) and all over his furniture. We talked separately with the exterminator and he stated this was the worst infestation he had seen (2000+ reviews on google type of exterminator) and that this guy was completely a moron for not noticing this level of infestation and based on how many were in the house, that it was extremely likely that the tenant brought them in when he moved in 6 months before us under the last owner.
So we pay the $1700 for a full spray treatment and billed it to the tenant. He of course can't pay so we get him to sign a mutual termination of lease agreement for him to move out and we will waive the $1700. We were relieved since this tenant was a nightmare with lease violations and many calls to social services due to neglecting his kids. He trashed the unit (5k+ in damages) but we were relieved to have our house back.
We complete two treatments with the exterminator and decide to do a diy heat treatment by renting heaters. We figured it would be easier since one unit is already vacant. The temps got upwards of 130 degrees for 12 hours. We even put sensors in our clothes drawers and those reached 120 for a few hours. We also used spray treatment shortly after to really make sure they would die. We thought the issue was fixed.
Then about a week and a half later (today) my husband notices more bites. We realize they could be from before the treatment since they can take two weeks to appear, but I'm hesitant to think that's the case. When I get home today I'm going to take apart the bedroom again and launder our bedding and any clothing items, then do more spraying, but I want some advice.
Our bedroom is the only place they can feed since the other unit is being renovated and is vacant. I am considering spending 3k on electric bedbug heaters and fans and as an investment to make towards our portfolio, and just heating the bedroom once a week for a month or two.
Does that sounds like a good strategy moving forward? Any advice? I'm kinda at my wits ends since weve done three spray treatments and one heat treatment and are still getting bit. Thanks in advance for any advice.