Some Questions Regarding ICO

[vivekpatel87]

Friends I need some help regarding ICO.  

1. If I launch an ICO and it not met the limit or its not success. Do the ethers which I received till now automatically send to the investors wallet or Its up to me I can send it or not?
3. Can I use the fund(I means the ether which I received during the pre sale or ICO) before the ICO?
2. Say If I make the supply of coin 1 million and in during ICO 500k coins sold. The remaining 500k coins belongs to me Right?
3. Is there any use of smart contract after ICO or it is only use ful till ICO?
4. Can I change the smart contract after ICO?
5. Can I receive bitcoin and send the my coin automatically?
6. Please help even if you have more information other this.

[tothetop]

Friends I need some help regarding ICO.  

1. If I launch an ICO and it not met the limit or its not success. Do the ethers which I received till now automatically send to the investors wallet or Its up to me I can send it or not?
3. Can I use the fund(I means the ether which I received during the pre sale or ICO) before the ICO?
2. Say If I make the supply of coin 1 million and in during ICO 500k coins sold. The remaining 500k coins belongs to me Right?
3. Is there any use of smart contract after ICO or it is only use ful till ICO?
4. Can I change the smart contract after ICO?
5. Can I receive bitcoin and send the my coin automatically?
6. Please help even if you have more information other this.

I think most of the questions are up to you, and you decide what to do, you can burn unsold coins or distribute them among the buyers for example..
However, I think you can not change smart contract..