State tax filing

Hi Turbo Tax DanielV.  The other returns you helped me with were actually my sons and he is delighted that you saved him $448.   My husband and I have 7 rentals and I have the returns done with one exception.  It is not a big deal.  We bought a storage shed for $200 and had it moved for $300 and built a ramp for $50.  I thought the $550 should be an improvement and that I could use the Safe Harbor and count it as an expense.  When I asked the community to verify that it is an improvement, I was told that the shed is not an improvement.  If it is not an improvement, I don’t see how it could be a repair or fall under any other catagory.  Am I missing something?  Do you think the $550 shed is an improvement?
If it is an improvement, I can use the Safe Harbor, correct?  Thanks