A DUI is not a disqualifying offense for owning a firearm.
No
Yes. It's not an offence which would prohibit you from being able to purchase and own a firearm.
A DUI is not a disqualifying offense. However, in some states, multiple DUIs are a state level felony, and will require you to apply for relief of disability before you may purchase, possess, or have access to a firearm.
You need a lawyer to get a correct answer.
You can have your record sealed, or your DUI expunged, but it doesn't always mean what you think it means in plain English. The law in Nevada requires 7 years for misdemeanor DUI, 15 years for felony DUI, before your record can be expunged.
In Nevada, if you have gotten a DUI, there is no statute of limitations that applies. Due process has occurred and the penalty assessed. It is a part of the criminal record and does not go away.
If you buy from a licensed dealer, no, but you will need some sort of official ID.
40%
You can buy a car in Florida with a DUI, but you may not be able to get insurance for it.
7 years in Nevada. You can download the complete Nevada Revised Statutes from http://www.LasVegasTrafficTicketLawyers.com/las-vegas-traffic-ticket-lawyers-nevada-revised-statutes.pdf It contains all 8,120 pages of the current N.R.S. laws and its only 54Mb. Visit http://www.LasVegasTrafficTicketLawyers.com for more info.
Yes, if the conviction was for felony DUI. In a few states, you must have a state permit to purchase, and some states may withold that permit for a recent DUI. However, we do not know what state you are in.