First, let me say that the work was very good — the installer was polite, made an effort to keep the work area very clean and the drywall repair and nail pop repairs were well done. However, I did not get a written estimate in advance because our contractor(whom we trust) had recommended them so highly. This was a mistake. I was told $ 65 per hour plus materials cost by the estimator. So, I kept track of when the worker arrived and left each day. I was surprised to get a bill for about two and a half hours more than the number of hours he was here plus materials cost — the original bill was not broken out and came in at the top of the estimate we were given verbally. I asked for a detailed bill because, based on the number of hours he worked, the bill seemed to include a huge materials cost for an 8×8 drywall patch and nail pops. That was when I discovered that they charged for travel time — which the estimator had not mentioned. Because they charge for travel time, I couldn’t really tell what the right number of hours should be because I only had the hours the guy actually worked noted — I have no idea when he left or got back. I paid the bill without disputing it because I didn’t want to cause friction with our contractor, but I would recommend that, if you use this company(and the work they do is very good), that you get a written estimate up front and are clear what to expect in terms of travel time — travel time was about $ 200 based on the hours I wrote down for when the worker was here and the total hours they billed for after I asked for a bill detailing the hours and materials– we live in Beaverton near bull mountain and they are in Tualatin so I wouldn’t have guessed that kind of travel time and was sorry I hadn’t gotten a written estimate, even though I am very happy with the quality of the work done.