If you use seller concessions to pay your full service realtor a large chunk of what the seller is willing to give you to get into the house you will:
1.Be at a disadvantage in a multiple offer situation
2.You will be unable to use the seller concessions to make the home cheaper
3. You will be on unable to get a mortgage buy down that will lower your monthly payment
4. If you increase the price of the home to fit in the concessions for your full service agent
You’re at risk of the appraisal coming in lower the appraiser will see it and appraise Under the new purchase price