Use Facebook insight.

There is a feature in facebook that you can use to identify your potential customer and i'm revealing you a simple trick.

Choose a 'public figure' of your niche: as an example if you are a personal trainer you can choose a very known name, then go to facebook insight, in the business manager, and put the name of him.

If it's very well known, probably he has a fan page or something, so Facebook will display you the identikit of the people interested.

They go VERY IN DEEP: you can see how much they earn, what is the average family, where they live etc

Write down these datas.

You can use it further also for paid ads.

You won’t be able to connect effectively with your potential customers if you don’t have a customer in mind. Survey current customers, as well as members of your target market, to find out how you can better present your product or service, or what aspects might be missing from what you’re currently offering.Cast a wide net to capture those you think might be interested in your product or service, and use their data to shape your brand in a way that better resonates with your target market. Once you know who your audience is, where they hang out online and what they respond best to, then you can begin to market.

Listen to them and ask them questions. Read what they say on the web, and ask relevant questions. Surveys can help, but without a budget or means to ask the masses, it is difficult to collect enough data. So, go back to basics. Join various groups and engage in conversations.

There are many ways to go about this but the best method is to simply sit down and interview customers who've bought from you in the past.

It may be necessary to give them an incentive but don't lead with that. Initially, just ask to have a conversation because you want to improve the service you're providing. If you don't get enough takers there then you can add an incentive.

When interviewing your customers isn't an options, then turn to surveys. Specifically, likert scale surveys (more here: https://www.kyleads.com/blog/likert-scale/). Likert scale surveys allow you to gauge sentiment.

For example, you could ask how often do you go to the gym:
- very often
- often
- Neither often nor seldom
- seldom
- very seldom

Using that information, you can quantify the habits of your audience as a whole. Also use open-ended questions in conjunction with your Likert scale questions so respoondents can go deeper into their feelings about specific topics. Taken together, you'll get a good idea of their habits, likes, and dislikes.

If your current customer base doesn't provide enough responses (at least 100), then you may want to use ads or personal outreach on a platform like LinkedIn to get those insights.