Please tell guys from experience

I have a been a ciggerate smoker for around 5 years Thinking of getting a disposable vape After finding a hell lot of shops i finally found one shop dealing only in elfbar raya d3 25000 for around 2400 Please tell me how much long will it last depending i smoke around 3-5 ciggerates per day Also which flavour i should get that won't smell too much in my room or bathroom Please help as i am completely new to this Anyone who can dm plz do it Thanks 🙏