Thanks for letting me know that ❤

Sir I've heard and observed various interviews of successful people saying that most of today's high earning and top positions in corporate world or business are filled up with sales-people so what is the secret or training of sales people which makes them so great and valuable apart from other trades also which books should i read to understand and implement those strategies to grow in my career as design and site engineer which involves selling as well to commercial construction clients and consultants...