Please follow the link for details in US embassy website
She can mention the reason for visit as reconciliation as its the truth and they should understand it. The suggestions I made regarding the hotel stay are just rough Ideas on how much it cost to stay in USA, they are not official figures however $100 per day is a good amount for hotel. You can double the amount for 2 people however if its too much the more the better.
Online booking receipt should be acceptable however do not pay for the hotel before getting a visa, just look for the hotel where you are intended to stay, you should have its address and contact number with you along with the rate for the dates you are staying. You can go tohttp://www.expedia.com enter the city where you want to stay, put the dates of your intended stay and print the page where it shows the date of stay and the total amount of the hotel cost + the hotel address and phone number.
The maximum stay limit is 180 days (6 months), your passport will be stamped with the date you should exit from the country when you enter in the country.
She can apply for the immigration from United States however if her relationship with her husband is over the process might stops, a lawyer can better guide in that scenario.
Could you please explain me, obviously immigration officer will ask why you are going there, so what she would say, what is the main purpose to visit,
first priority will be reconciliation with her husband, 2ndly, correspondence is going through District City council nowadays. 3rdly, she is interested to meet him face to face and settle down whatever misunderstanding created.Is that explanation is acceptable.
How much money to show in bank account, suppose she says, she will stay for 1 or 2 moths, as you explain above $100 per day stay in hotel rent, in that main $1000 for 1 month and $2000 for two month,
If her brother sponsoring her visit how much amount he has to show in this bank account.
if her brother will also going with her then what is minimum bank statement requirement?
If she will stay at hotel, we need to attached temporary booking receipt, online receipt is acceptable.
Normally how long stay is allow visitor. mini days or month, like if we apply for UK as a visitor they give minimum 6month visit visa.
Is she eligible for applying immigration? what is best option applying inside USA, if she on visit visa there or she have to apply from homeland.
She can mentioned that she wanted to see her husband. United States visit visa is for 6 months of duration normally and regarding bank statement I am not exactly sure because it depends upon how much you will spend. Usually $1000 a week might be good in your situation but can’t say anything for sure.