It came yesterday afternoon and I was just itching to use it.  Wasn't coffee time so I had to wait until this morning.  I never use a new appliance before washing it and the instructions that came with it didn't tell how to clean before use.  I just used a little liquid dish soap & water to wash it out and rinsed it carefully on the inside without getting the heating element wet.  I put the machine bought filtered water I use for my tea & coffee into it.  It boils really fast!  Solved my problem of having to wait & wait & wait for the electric stove burner to get the water hot.  I do the pour over method of making coffee so boiling water had become time consuming.  I would get bored waiting, leave the kitchen and THEN FORGET!  I used this little gem this morning to make my coffee and I'm VERY impressed!  THIS IS DEF A KEEPER!  THANK YOU WAYFAIR!