I used to take a solid color baby blanket and place it on the floor in a bright, sun filled room. When I was ready to take a picture I would put Layla on the blanket, and adjust it around her, making sure not to put her directly in the sunlight. Then I'd get on my knees right over her, aim straight down and snap away.
You may have a beautiful old acrylic bath, one that you have treasured for years, and that you thoroughly enjoy. Now if it gets a scratch, it will be the same as if your car got a scratch. It is an obvious flaw that will eat away at chipped acrylic bath your patience with every glance you take. So, just like a car, you can apply car polish and gently apply it to the surface using a soft cloth.
The traditional way to resurface a bathtub is to sand it down, and apply a brand new coat and finish. You can hire someone to do it reglazing tub or you can do it yourself.
If your existing bathtub is pink or aqua, I can see your point. In that case, reglazing might be an option. This is not inexpensive, but will eliminate the struggle of getting the bathtub out of it's existing space.
When you're seeking out homes to flip, you want to find homes that only need cosmetic work: paint, kitchen and bath tub restoration updates, floor refinishing, etc. At first glance, you may say to yourself this will never work, but you have to use your imagination when viewing these homes. As long as there are no major renovations, you can turn a frog into a prince with a kiss of renovations. Make offers on the ugliest properties in decent neighborhoods, because these will be the most profitable.
The process of installing a new framed-in tub can be fairly easy as long as you're replacing an old tub with a similar model. To start from scratch in a new bathroom, however, you'll need to start by framing the area. This includes adding 2x4s which are nailed into the wall studs on the back and sides of the tub called ledgers. After framing you can add the plumbing. Once again, when replacing an existing tub, the plumbing will already be there for you to use.
When you're tired of those same old bathroom walls, try a good cleaning and if that's not satisfactory, refinish or replace. You're not stuck with those walls. With a little work and a little cash, your ceramic bathroom walls can be, once again, a pleasure to behold.