Keep the star under water at all times! Maybe bag that one.
Remove all rock and drain most of the water. With the appropriate size net and a chaser net you should have no problems. Just watch out for any fish hiding inside any rock. I still have 1 of 5 3 stripe damsels in my 180 after removing and cleaning all the rock. Have seasoned SW
ready to refill the tank. If you can put the rock in a unused garbage can and/or ice chests, put the container into the truck bed then cover with tank water and reverse the steps at your destination.
the trigger and eel 5 gallon bucket. The rest in another unless they are any larger one's that would lead to crowding.
Placement should be no problem as long as your house is built to code. Try bouncing your body weight where you want the tank, it should feel solid and not too flexible. Keep it out of direct sun light to avoid algae. When refilling check for level, especially if it's on carpet (try to avoid the tack strip along the wall).