Improve Credit Score Rating

how can i Improve My Credit score by 20 points as quickly as posible?
i want to buy a home and need to improve my credit rating
Get a quick 5-30 points by going to www.optoutprescreen.com and doing the 5 yr opt out option. I have scores go up as much as 30 pts in 10 days with no other changes on credit reports….no w I have seen them only go up 5 points as well beware. Good Luck!!!
Simple Ways To Improve Your Credit Score