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IF you have any other open loans, auto, then paying it off will help the DTI.
IF it is your only open loan, pay it down to around $660 and make sure that balance (660 includes interest) reports, your scores will rise. But from your post, it would seem the payments are quite hefty, and the loan could be paid off before finding a home, contract and closing. Your LO could advise at this time of application if your current monthly payment is crushing the DTI.
What are your DTI percents now and proposed in the price range you expect to pay say $1400 including PMI, taxes, insurance?
Are you a veteran?
I can not recommend any lender.
It would be helpful to share what your current DTI is.
What is your monthly income? How much are your monthly debt repayments? And how much is your monthly personal loan payment?
If you can answer those 3 questions, you'll get much better answers.
I do agree with the post above - if this personal loan is your only installment loan, then paying it off might actually hurt you, because your "credit mix" will suffer. An ideal credit report has 2+ revolving accounts and 1+ installment account.
It might be worth looking into refinancing your personal loan so that you have a lower monthly payment, but don't altogether lose the open installment loan from your credit report.