I am ready to start a large remodel. I want a freestanding acrylic bath tub. I don't want a spa tub.....just a good quality tub. The prices on these tubs vary greatly. I don't want a tub that flexes. What attributes should I be looking for in acrylic tubs that will give me confidence that I am buying something of good quality? Is anyone familiar with ADKY? Their designs look pretty and they are affordable, but what about the quality? Thank you!!