A house is one of the basic needs of any animal.So obviously i will prefer buying a home rather than starting a business.
This is your introduction and it is better you introduce the topic to the reader. You need to assume that the reader has no idea about what the topic is. Here you have not made any reference to the choice you've got to made - Do you want to buy a house or a start a business.
Firstly,iI don't need to depend on others.
... This is a bad mistake when you do in essay writing. You may lose marks on such errors (avoid sms language in essays)
First, I do not like to depend on others.If i dont' have a house i have to rent a house and i need to pay for it each and every month.
Well, this is not really going well with your reason of depending on others. This has more to do with waste of money.