Hi @CasaAlMaré 
Thank you for joining our community forum. You are going to find it is filled with answers to most, if not all, of your questions and enquiries.
TrustedHouseSitters is a great alternative to stressful kennels, especially if your older pup is easily stressed. I see you also mentioned they are rescues, thank you so much for saving their lives and choosing to adopt. We would love to see some photos of them if you don’t mind sharing on this thread 
Here is a helpful blog post with tips and tricks for home owners: House and Pet Sitting Guide | House Sitting Etiquette | TrustedHousesitters.com
And here is a little more information about the forum and how to take full advantage of this informational platform.
How to use our Community Forum | TrustedHousesitters.com
You might also want to embed your TrustedHousesitters profile by following How to add a listing or profile link to your FORUM profile. This way other members can easily connect to your profile and possibly reach out direct for the opportunity you are looking for!
We are always here to help, so please don’t hesitate to message us with any questions or concerns.
Have a great day!