I have so many things, that I need 3 times to get a truck 3 times. I have so many things, that I need to get a truck 3 times.

I have so many things, that I need 3 times to get a truck 3 times. I have so many things, that I need to get a truck 3 times.

Or did you mean you need to get 3 trucks? Your next sentence implies you hired 3 different trucks instead of hiring the same one 3 times.

Yesterday, there was already a second car already. Yesterday, there was already a second car.

Yesterday, there was athe second car already. Yesterday, there was the second car already.

The last car is left, and I'm finally moving in. The last car is left, and I'm finally moving in.

I am confused about this sentence. When you say "The last car is left," do you mean "One car remains" or "The last car leaves"? Depending on your meaning, one of those two examples is clearer.