Frequent Nasal Congestion, mucus discharge and sinus problems

Hi everyone, i'm new here hope i get along with you all:) anyway, i've been experiencing this for many years perhaps all my life but couldn't find any cure to it despite seeing countless ENTs. The following are my conditions:
1)mucus discharge all year round almost everyday
2)frequent nasal discharge as in 2-3 times every week (this only happened recently, about 3 months ago)
3)deviated septum- seen ENT 6 months ago which asked me to consider surgery as the nasal congestion can get really bad on one side of my nose
4)catch a cold really easy (almost weekly)-for instance after working out and sweating, if exposed to wind will definitely catch a cold
5)have been experiencing mucus discharge issue all my life, morning is particularly bad
6) usually in the afternoon, the mucus discharge reduces dramatically, nasal congestion recovers too but starts again next morning

anyone has any idea on this condition, advice on what i should do or any trick to getting tackling this problem? please do share!many thanx in advance!