Of course travelling may be difficult for the foreseeable future, but if you can I'd spend on that while your husband is still able to enjoy it. We have always prioritised seeing the world over spending on our house, and have not for one moment regretted it, so I'd go for the precious memories if you can.
How to write your own book, have you had any experience?
Alphabetical Fauna (mammals, birds, reptiles, fish, insects etc.)
Write a word that begins with the first letter of the user above you
Good luck.