Take it slow, but remember every single step; you may need a shortcut when there are tomatoes to be had.
We have a few tortoises who visit us from time to time. They roam free, but return regularly to come "harvest" the seasonal delicacy. The biggest, Tuirtz, was brought here from a place where he shared a garden with a big dog. The tortoise was a walking knaw-bone, he was oozing blood through his shell. One of the many reasons why keeping wild animals as pets is such a bad idea, it being illegal is not scary enough for some people. He was rescued (bought at a price the guy could not refuse), and brought to us for treatment. We knew nothing about tortoises, so we cleaned up best we could, and put it in a safe place outside. After a few days, he was healing well, chomping down my garden I just managed to dig in. We kept him safe for winter, by spring he took to the road hungrily, and returned a few months later, probably by accident, but I think it was for the tomatoes.Tortoises go apeshell for a tomato. And dandelions. A tortoise will eat a dandelion patch into the ground before you notice it moved.