Buying a home in phoenix?

I want to buy a house in a couple of months with cash . I can not get a loan , so I decided to just save the $ $ MedlinePlus MedlinePlus my questions are .. MedlinePlus MedlinePlus as taxes are made ​​with the purchase with cash ? Do you pay for the property taxes up front with the purchase of the house ? Example : house price $ 50,000 $ 5,000 $ 55,000 would need to have tax or taxes are paid after MedlinePlus MedlinePlus The second question: if a home is listed for $ 50,000 I can make an offer below this amount ? Say like $ 45,000? MedlinePlus MedlinePlus Thirdly , how long does it usually take short sales with a cash offer ? MedlinePlus MedlinePlus Fourth, if the site has the home listed for a certain amount this is the amount that the bank had countered by a different offer and accept or is it just an amount that the listing agent is just throwing out there to attract buyers ? MedlinePlus MedlinePlus I know these things before hiring a real estate agent .. Do not want to waste anyone's time with buying a house if you do not quite have all my ducks in a row :) MedlinePlus MedlinePlus Thank you !