Where will you stay question

[immihelp]

Hi Sir,

I am working in UK and i have indian passport. I am specialist cardiac physiologist. I am working in NHS hospital we have a cardiology conference in USA. i wnat to get visa for that . but there is query in my mind .there is columnfor accomodation ? i am not sure weather i will get visa or not ? so what should i write in that question ? because i donot want to book hotel before i get visa. what is other alternative for that .my few friends are there in USA but they are not able to sponsere me .so is it possible to give their address to embassy without any evidence? i am going to bare my expences myself.how much fund need to show them as per UK currency?

Please Guide Me Properly

[immihelp]

Find out the hotel where you are likely to stay but don't make the bookings and write that hotel's address.