Welcome to the Community—it's great to have you here! What products or methods are you currently using to tackle those tough cleaning areas?
I've tagged a few hosts who have shared their experiences with cleaning in the past. Hopefully, they can offer some deep cleaning tips for the kitchen and bathroom:
Hire a professional to do a deep clean. It’s around $300-$500 depending on the size of the house but they can do it better and faster than you! Worth the money!