Should you start marketing for your brand even before the opening ?

planning, marketing and customer service are the3 important factors you needs to achieve before the opening, and they were considered as% of the job as Mr. Kuskevish said

The Marketing process and building Brand start early even long period before the company has a product or service. The planning for a product manufacturing and service granting needs to set up marketing process in the early stage for the communication and delivering value to the customer as well as managing customer relationships in order to ensure good customer services.

The Marketing and Brand Building commence before the manufacturing and selling process and continue throughout a product's life in order to find new & prospective customers, improving product & performance as well as Managing Sales repeat and keeping the traditional customers active.

Yes. If it's at least 90% ready and you're sure about release dates.

Put Simply - you cant beat good planning and providing excellent exposure .  Nothing beats building up expectation and excitement.

People Love something new. 

Yes, however if  you are 100% sure about your product & the release dates etc. 

Yes, sure must be to do market for the Brand before starting

You should not market your brand before the opening. What should be done is proper market and business research to determine the insights on which your marketing strategy will be built on. You should only market your brand when you have your main parameters of value set and tested with proper reasons to believe and roll out strategy. 

Thank you for the invitation and agreed with the answer of Professor Raid

Off course yes, this is the best way to implement the brand. we have to tell our customers "we are coming". After implementation our customers  might have heard about it twice, it triggers the first sale. Then we retain them through our competitive advantage. 

No,First we need to make survey to know where our product is having a Scope and Demand for promote.then we can make planing through marketing stratergy and catch the potentiality of the market.

Yes for sure, you must start build the road to the brand and start create a weariness