Long guns, yes. Handguns and NFA items, no.
Yes, a Kansas resident can buy a handgun in Texas. However, the purchase must comply with federal laws, which require that firearm sales be conducted through a licensed dealer. The buyer must undergo a background check and meet all eligibility requirements. Additionally, it's important to consider any specific state laws that may apply to the sale or ownership of firearms.
As long if he/her has a licence.
Nowhere in the US.
Long guns, yes. Handguns, no.
yes
Yes.
Yes... I may be wrong about this, but I believe Delaware is one of the states where you must be a resident of that state to buy a firearm from there, although I could be wrong about that.
Yes- but only from a dealer. You may not buy a firearm from a private seller in ANY state other than your own.
Texas, the state of your residency
No. You need to buy auto insurance in the state in which you're legally resident.
To possess a gun or buy ammo in Illinois, a resident must have a Firearm Owner's Identification Card.
Yes the background check for guns is the same in every state