Each of the custom flags we see being brandished and displayed private or publicly definitely had to come from a source. There are many flag makers around, each marketing their skills and talents in being able to make those customized outputs the clients need and want. However, as a custom flag maker, you should be able to discern the things one should possess.
First of all, you should have a good skill set in being able to craft and churn out good, high-quality, and durable custom flags. Every investor would definitely want a good bang out of his buck, therefore good quality materials being used is a big plus. That coupled with a good control in manipulating the materials would ensure of a sturdy flag that could withstand the elements they would be exposed to.
Second, you should have a good command of the knowledge base regarding custom flags, and flag making. This is essential because a client would definitely be more trusting and agreeable if the marketer knows what he is talking about or doing. If you can add up to the initial request of the client, and be able to defend these suggestions with sound reasons that would be beneficial, closing transaction deals will not be difficult.
Finally, one should have a good, and positive attitude when dealing with clients. While this may not have any tangible bearing with the success of sales, this is one of the most important thing when selling custom flags. Bear in mind that the clients would be putting their sentiment and desires on whatever message the flags would be showing. Therefore, sharing and assuring and positive attitude would allow the customers to have a much more amenable disposition in closing the deal.