This cleaner is easy to assemble and use. The more you use it the more familiar you get with how things work. The machine works well just don't over use the trigger to wet the carpet. You will need to empty the dirty water tank and refill the clean depending on the area. Read the instructions before using so you are aware of how things work and how to clean the machine after using. This is important so that there are no problems in the future using. The machine worked well cleaning my carpet and removing stains. The BISSELL formulas worked great and was easy to put into tank.