What are the strategies for cost-effective marketing at today's date?

I would suggest the below methods for cost-effective markering in today's date:

1. Referals: Give the best of best service / product to your customer. So, that your customer refers and promotes your product for free of cost :-)2. Press releases and news features :  Give news paper adds and tv commerical adds if the budget permits.3. Search engine optimization :  Now a days everyone searched on google for anything or everything they want. So take benefit of this.4. Social media marketing : Publish your articles and post on social media sites like facebook, twitter, instagram e.t.c.5. Email marketing :  Send emails to existing and prospective customers wiht new offers and releases.6. Forums and groups :  Encourage your employees / customers to write about your service or product in the groups / forums they visit regularly.

Cost Effective Marketing is any activity which involves engaging Audience and to take immediate action. All Marketing Strategy which pulls the crowd to the companies webpage to know more and places the order is a cost-effective marketing.  The offline trigger needs to create a buzz in the market for festive offers and a massive discount online could create a database for the promotional offer and study the consumer. 

Cost of Marketing cannot be treated as a one-time expense it is more or an investment to create brand recall Brand image.The customer has to be kept informed and reminded on periodically, uniformly and consistently. Product with high brand value have mass appeal and have the product sold at a premium price. Thus a Cost-Effective marketing is those which created the desired action.

With the digital age comes a new era for marketing. While traditional methods (TV, Radio and Newspapers) still remain relevant for some businesses, they remain still expensive methods of advertising. Integrated Marketing comes into place. You can choose the marketing channels that add the most value to your brand. And those that have the most reach. Explore the use Digital Communications to reach your target audience. Invest in your website and optimize it (SEO). Try to negotiate for barter exchanges with ATL media owners.  (if your product is valuable to them). Use your media contacts to get free publicity through PR (ensure that your press releases are news worthy. it would also mention that your channels of marketing would also be dependent on if your business is B2B or a B2C .Good luck. 

Marketing strategies    Is the plan that is designed and specifically delineates how to enter the new market and attract new customers.    Is the process that allows an enterprise to employ its limited resources in appropriate opportunities to increase sales and to gain competitive advantage    Jean-Jacques Lambin defined the marketing strategy as "the program adopted by the market-oriented organization, under an innovative policy for products and services to consumers and more value than competitors"    Mr. Ismail El Sayed defined the marketing strategy as "a long-term plan to develop a marketing mix that helps achieve the organization's objectives by satisfying the needs of the target market."    Is the marketing logic that the company hopes to achieve profitable relationships. By segmenting, targeting, and positioning the market, the company determines which customers are using them and how, and defines the overall market and then divides it into smaller sectors, from which to choose the most promising and focused on customer service.

In my opnion branding is the first stage for marketing and after that we can select different method for marketing like through digital marketing ,B2B and most important thing is for cost effect is to hire a professional marketer because he is already a brand that will save your cost and give effect to bussiness. 

I would Suggest:

1- Satisfy your excisting customers

2- Social Media Marketing ( Online Marketing )

3- Good relationship