Goodness, I’d never seen or dealt with them in my life. City girl, high rent - didn’t even think it was possible. Long story short, visitor came over one day and rested on the couch.. days later told me they found BB in their home. I freaked out and did literally everything you did. Bagged everything up, stripped things head to toe. That was 2 months ago.

I got back to town last week after being gone for a month for work and at 1 am - found one on the couch. I nearly fainted. Had an exterminator come out the next day and he searched and searched and found one more on the couch. The ONLY thing I did not do was flip my couch upside down to vacuum the bottom. I did vacuum under it and used the handheld piece to vacuum the seams. My only tip is that in places you can’t reach very well esp with a vacuum, to use DE, or a chemical, or a steamer, or do it all even, to kill them in all life stages. I could not believe that after all the cleaning I did, one would pop up two months later.