Normally, you would likely have a valid complaint, absent language in the contract protecting the vendor. However, given the effect of the Covid...

If you wish to become the sole owner of the dog, you need your ex to agree (and get a signed agreement), or get a court to award the dog to you....

Does your dog not have a rabies tag? That should suffice.

If your would-be apartment is still under construction, it would seem the lease fails as a matter of impossibility.

Document the contract and calls, and bring a small claims action against HD.

A true service dog is not restricted by breed. You may need an attorney to explain that to the manager.

"Verbal agreement" being the problem. To the extent you can prove the breeding was intentional, a puppy is the usual fee.

If the feces create a nuisance, it means you are the problem. If not, he is the problem. Merely looking over a fence is not a crime.

Moving to consumer protection, which is more appropriate. The first step is to contact Target. You should have saved the food.

You would have to bring a replevin action and prove that, despite the dog being registered in her name, it is really yours. What name does the vet...