Great place to check out rentals in Arlington: they have some good locations in the Lyon Park/Ashton Heights area. It’s a small office and a bunch of the agents I met were really friendly and helpful. Also, they are right next door to Delhi Dhaba, which I recommend you stop by afterwards.
Fun fact: they have a spin-off in Captiva, FL which you should definitely take a look at if you’re looking for vacation rentals: captiva-island.com. I’ve vacationed in Captiva with my family for a while, and they have some of the only reasonably affordable properties left on the island.