If you want, I can:
If you clarify what “Grannybetcom” actually is (e.g., a betting platform, an app, a comparison site), and what you mean by “better” (better odds, better user experience, better security, better for seniors, etc.), I can help you:
Marketing & acquisition
For more detailed walkthroughs and room-specific tactics, you can check the Granny Wiki or community guides on Are you trying to beat a specific escape route (like the car or the front door), or are you playing on Extreme difficulty GRANNY 3 IS HERE AND IT'S REAL!! (Full Gameplay)