Long-haired Dachshunds will require a lot of effort while wire-haired Dachshunds will need a trip to the groomers every now and then.
Unless they're jumping around in puddles and dirt, French Bulldogs tend to be clean. Their short, fine fur won't mat so brushing is generally quick and easy.
Needing just 20 to 30 minutes of exercise each day perhaps spread over two or three walks, chihuahuas are fun companions for a stroll around a park or a quick walk around the block.
You may think, due to their controversial use in racing, that Greyhounds are always on-the-go. Quite the opposite.
Let's get one thing out of the way: yes, you will need to regularly groom a Cavalier. Their coat is prone to matting so it needs a daily brush (that way, you can avoid problems building up).
Only requiring a weekly brush of their short, smooth coat (and sometimes not even that), you'll find Manchester Terriers are very easy to groom.
If you're after a breed that will fit into your lifestyle, then a Basset Hound is going to be ideal. They don't mind taking time out for themselves.
Whippets and Greyhounds are often mistaken as being one and the same. They're not. Whippets are smaller and less muscular although there are great similarities, among them their tendency to be low maintenance.