It is better to remove the existing vinyl, but if it does not cause a transition problem from one floor to the next and/or if it does not cause a problem with the installation or removal of appliances and doors then it can be done. Keep in mind though that you may want to remove and raise your base boards so they have the proper reveal.

Compared to other products, you may find that tile and grout require less maintenance than other floors, but it is not maintenance free. Grout should be sealed and caulking needs to be maintained to prevent deterioration of the backer board.

Yes, to some extent you need to pay a little more attention to your hardwood floors than say, a ceramic floor. Proper maintenance and using the proper cleaning products will greatly add to your floor’s life. Once you get used to its care requirements, you will likely find that it is a very forgiving floor to live with.