The profit margin of construction units in the construction industry is only 2, and if they do well, it is only 3. My question is, doing construction might as well put money in the bank. But. . .

The profit you are talking about is the general contracting management fee, right?

General general contracting management fees are generally 3-5 of the contract price, and professional contracting management fees are generally 1.5 of the contract price. . This is a fee that only requires human management, and does not include labor or materials. The cost is only the salary of the management staff.

The profit you are talking about is not the same thing. If labor and materials are contracted, then this is A little profit can only be done by a ghost. . .