Is a Jack Russell Terrier a good pet?

They're confident dogs and very loyal to their owners.

Do Jack Russell terriers bark a lot?

often results in excessive barking.

Are Jack Russells easy to train?

Jack Russells are workaholics and are extremely trainable

Are Jack Russells high maintenance?

yes Jack Russells are high-maintenance dog.

Why does my Jack Russell growl at me?

There are many reasons : Fear. Jealousy. Unspent energy.

Are Jack Russells smart?

yes 

How long do Jack Russells live?

13 to 16 years 

Do Jack Russells swim?

Jack Russell's can be great swimmers if the introduction to the water is done correctly.

How much exercise does a Jack Russell need?

Daily 1 houers 

Are Jack Russells snappy dogs?

yes .  Jack Russells snappy dogs.