They are Cage trained, no problem staying in cage, if they make noise, make sure you release them to pee.
Potty trained, but depends on where they sleep, they change their spot sometimes, but always on grass.
He bark at other dogs and stranger outside. You need to consider where to keep him or cover up the cage or provide necessary training.
If you would like to adopt, please pay for his first vaccine, deworm and refundable deposit to commit spay him at his 6th month old, i will bring him to Vet to be vaccinated before hand over to you.