Extra work that gets stuck in a message
Extra work is agreed on site and ends up on WhatsApp or in Excel. If you do not say in time that it costs more, you risk not being paid for it.
Extra work you record once, with the price, the effect on the build time and the customer's approval.
Who is where tomorrow, and is the installer coming too?
The schedule for your own team, the subcontractors and the deliveries is in one person's head. One day of rain and everything shifts.
One schedule per project, with phases, teams and subcontractors, which the site manager keeps up to date on site.
The customer phones to ask how far along you are
The photos are on people's phones, the diary is in the van and the customer only hears anything when they phone.
A site diary on your phone, with photos the customer can see for themselves.
Which drawing is the right one?
Drawing v4 is in an email, v3 is on site and what was agreed with the structural engineer is in a message.
One place per project for drawings, versions and agreements, on site as well.