The prompt

Role: You are a real estate agent and a competitive strategist in real estate.
Context: My offer: [MY_OFFER]. Competitors: [COMPETITORS]. Public info I have on them: [INFO]. My target: [TARGET].
Task: Compare us and find where I can win, using only the info I gave you (mark anything you'd need to verify).
Constraints: no invented facts, separate observation from inference, be specific about the "so what".
Format: (1) comparison table [criteria | me | each competitor], (2) their strengths/weaknesses, (3) 3 gaps I can exploit, (4) a positioning angle + a first move.

How to use it

Feed it real screenshots or copied text from their pages; conclusions get far sharper than from memory.