Optimizing prim count

I haven’t had to deal with prim limitations much since I had moved away from the mainland onto my own sim. Now that I have a considerable amount of property on the mainland, I am now running into problems with prim limitations. I have reworked many parts of my building to appear to be made of more prims then what is actually present. I am finding that the tube is being used most often to give the expanded antenna effect. I’ve had to use mega prims to adjust for the floor. I only have a limited few to work with. It is hard to use them because you can not change the size to make them work better with the build. I’ve discovered a few problems, but it has only set me back by two extra prims.