The phrase "accurate estimate" means a guess or calculation that is very close to the actual or true value. It is a reliable and precise approximation that reflects the real situation as closely as possible. Full definition
Thus, researchers have argued that more refined measures are needed to get more accurate estimates of the problem. (scienceofrelationships.com)
It's difficult to give accurate estimates for how much a life insurance policy will cost you. (lifeinsurance.org)
Be sure to take notes to review later, and to potentially share with the seller, so you will be able to get accurate estimates on the needed repairs. (homebuying.realtor)