Part of my pet business is pet sitting so here is what I suggest most pet sitters get not everything is applicable for every single type of pet sitter so get what you think you need everyone's job is different
Sections
5
Bag brands
Bag personalization
Keychain
Outdoor and exercise
Cleaning
Bag brands
They have tons of options for anysize, style, or type of bag you want
JanSport
Bag personalization
These are great for locking your flat pins on your bag, it can be fun to have some dog themed ones on your bag or your company may even make some with their brand on them
Locking Pin Backs
They have tons of packs of animal themed pins
DistinctDesignsUnltd - Etsy
Great listing to get some cute dog pins
KokoloDesigns Mix & Match Dog Themed Pins - Etsy
Keychain
There are many brands out there that make a 3 in 1 tool like this that has a laser pointer, flashlight, and UV light. Lasers should only be used when you can't get a cat from somewhere as they are very unhealthy toys. The other two are great for find...
FURRYFIDO 3 in 1
I find these so helpful for opening any kind of cans. THey have X-large ones that even help with peeling back the can as well
Tab Buddies
Great for keeping clients organized
Blulu 50 Colored Key Tags with Labels 1"
Outdoor and exercise
I live in a place that is too cold for dog horns to work, plus spray seem to work better than horns from what I have heard from others
Halt! Dog Repellent Spray
Dog horns are great for those who weather allows. They won't work under 40-50 F° for 5-10C°
Safety Sport X Large Dog Horn
These are used to break up dog fights
Canine Athletes Elite-HD Parting Break Stick
Having a treat pouch like this can make walking and carrying for dogs easier since you can put your small things in here like treats, poop bags, clickers, ect. This is the one I have it has a lot of great storage and I like the position of them along with it having a metal belt clip since a lot of them have plastic, I keep treats in a silicon pouch to keep the fabric clean but that's not necessary since it's super easy to ...
PET N PET Dog Training Treat Pouch
This is the one I almost got but it has less pockets but has a metal clip and is easy to clean just like the PET N PET one
TUFF MUTT Treat Pouch
These are great for those who have more than one dog that need different treats since they are small and easy to keep clean
Dexas Popware for Pets Silicone Pooch Pouch Dog Treat Holder
Cleaning
Cleaners made for pets that work great
Nature's miracle
Great cleaner for urine and other smelly cleaning needs
Odor Bully Odor Neutralizer And Multi-Surface Cleaner \
Plain vingear can be dulited to make a safe cleaner for a lot of diffrent things
Vinegar
Comes both in a spray bottle and refill (linked), great for those working with birds