Create a Website where members can pay to join for WA house and pet care service - simple project

I would like to build a website similar to this one: [login to view URL] . But my website only target Western Australia homeowners and house sitters only. The website will be similar to the website in the link above: automatic up-date houses available and payment facility such as credit card, cheque, money order or direct deposit to my a/c for house-sitters members to join. I also would like to add features related to house-hold and pets product and services job such as: Service: pet photography, pet walking, send pets to another house to be looked after when homeowners are away Service for human: Food and catering to your door Product offers: hospitality equipments and school uniform and clothing manufacture, o/seas bedsheets.... The website will enables me to up-date and exchange cookbooks and recipe ideas blog The website should enables people to visit, view and order everything safe online The website should allow youtube videos and unlimited photos I will patent this website if I have to. Thank you.