Persuasive writing why we should have pets

We have been having a go of at persuasive writhing.Here is my persuasive writing of it's a good idea to have pets.

Title A Short Statement about the topic. eg. ‘Rugby League Is A Great Sport’	IT’s A Good Idea To Have Pets
Overview/ Statement of position A brief statement of your view about the topic.  What you believe or want to argue.	Most people around the  world love pets. I agree with them.
Series of Arguments Reasons Your points supporting your view about the topic.  Your arguments to support your statement and information to support these arguments. Remember -argument -supporting detail, reasons, examples	Primarily, pets are good for guard dogs! For example,  if a robber tried to break into your house the  dog could stop the robber or scare  him or her away. Another job the guard dogs  can do is  guard the animals on the farm from wolves and bears.
	Secondly, pets are good at sniffing out disease! For example dogs can tell if you are going to have a epileptic fit  and try to warn   you quickly.  Another  disease  they can sniff out is canner!  Dogs are great for blind people, they can help them live a better life.
	Thirdly,  pets are good at getting pests! For example if you have a rat in your house your pet will go and catch the rat. Animals can be trained to go into our forests and catch pests that can kill our native birds.
	Finally pets can be  trained for jobs! For example airport sniffer dogs  sniff the people and see if he  has been having drugs or carrying drugs on his body. Also another job is a police dog they can do heaps of things like rescue people,  catch burglars and sniff out lots of things.
Concluding statement Summing it up.  A summary of your arguments and your view on the topic.	In conclusion , I think that people should have pets because, dogs are good guards, they can sniff out diseases, they can kill pests and they can be trained to do special jobs.  Therefore I think it is important to have pets.