Bad Credit good credit

I have bad credit over 7 years old on my credit report. Most of this credit my exhusband opened in my name. I have tried to dispute and have had some taken off but not much. Isn't it supposed to come off in 7 years and if so how do I go about telling them to take it off because it is longer than 7 years? I also have tax leins from my exhusband's business on my credit report. Just a couple months ago I got my yearly free credit report and they are showing that they are paid (he must have paid them off) but I want them removed because they are not mine! I have been trying to get credit to help raise my credit so that my current husband and I can buy a house because it is the perfect time but I can not get anything. They say there is to much bad credit and not enough good credit. Well, no one will give me credit so how am I supposed to have good credit. Please could you help with some tips of ideas. Thanks so much for your time.
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http://www.oskie.com/credit-repair-negotiate-with-creditors-remove-delete-bad-credit-collections-charge-offs.htm

get a gas credit card
pay up front
tax leins? paid 7 yrs?
If it has to be 7 yrs since DOLA date of last activity not date you opened account I would validate legally all the debtsIf they do not have your signature....it is not legal

http://www.oskie.com/credit-repair-negotiate-with-creditors-remove-delete-bad-credit-collections-charge-offs.htm
validate and dispute those debts

http://www.oskie.com/free-credit-help-sample-form-letter-letters.htm
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