No definitely not

Yes the subway is safe & at the moment no buses are going to the bronx but they are a great way of seeing the rest of the city & finding your bearings. We stayed near Times Square & used the big bus (do not use Topview) it’s a great way to find where you need to go. If you get a three day ticket on the app it will save you money. Have as good a time as we did.

Sorry, don't know the answer to this.

This is from their website: When identification signifying membership is presented in person to the Box Office or Guest Services, One World Observatory agents will provide 50% off full-priced Standard Experience admission packages for the service member and 20% off for up to four accompanying guests. Active and retired service members from the following agencies are eligible for this special discount program: members of the United States Military Services, the New York City Police Department, Fire Department, and Emergency Medical Services (Public Agency).

Complètement différent de ces deux-là. Mieux pendant la journée.

I would think so

No problem you just stop one in the street near by

There are cafes/indoor places to walk around within a block’s distance.