I got the printed prep info after the Tech did the flea treatment. I therefore didn't
't know to do laundry before the spray! I did the laundry after the tx. Also I used a vacuum right after I returned from 4 hr. time. Most of my house has only hardwood floors. Both Heather and Tech Fred were fine..I liked having Heather as a contact and talked to her several. They are both very professional. Hope my "mistakes" didn't cancel the flea tx.