Hi. New Member. Female homeowner with minimal plumbing experience. Would love to replace single basin vanity top with double basin vanity top. There's enough room in existing countertop to accomodate. How easy or complicated will the plumbing work be. Is there a "splitter" available for the water supply hoses and drain pipes where I can tie in connections from the original hoses/pipes. Do not want to go inside the wall connections.I believe that will make the project more complicated than I want. If I can handle this then I may think about replacing existing bathtub with a whirlpool tub. Something to relax in after a hard day's work. Would appreciate any advice or suggestions. Really motivated to get this done.