Various masaail of Business and Dealings

Q: If I gave my word to a new employer to move to his company and at the last minute and after he stopped looking for someone to fill my new position I changed my mind and decided to stay at my current company. If I stay my new employers work will be affected and if I leave my old work will to be affected as they have not found a replacement for me yet. If I change my mind at the last minute to move to a new company, is it haram because I gave my word to move? Please help me I need to answer both employers tomorrow.

Q: I have written a business plan but don't have money to start the business. In this situation one of my friend suggested me to go through www.kickstarter.com. It is an online fund raising site for the projects to raise money in the form of donations by people. Is this permissible? and to highlight the project I need to tell some lies. I don't have any other way to get money. I can't get bank loans because of security problems. Please tell me by taking money this way can I start my business? Is it permissible in Islam? I was unable to decided but rather then choosing the wrong way to get money, it is better to beg for the money in front of rich and kind heart people to achieve my dreams. Every one has just one life to live and I want to do something with my life please help me. Give me any dua... which will bring me unlimited success. Whatever stands in my way I always want to came out as a winner. Please tell me some dua to get a success with reference.

Q: I want to sell my house, who has first preference to buy it? My neighbor or a family member?