Cashflow is a killer for a startup too. I know of one large company that insists on 9o day terms from their suppliers. That automatically precludes most startups. Some companies wait until the final demand to pay up.
Chasing bad debtors is immensely stressful. If you have bills to pay or salaries this can be an absolute nightmare.
Anything that you can't do yourself you are going to have to use a 3rd party to handle...at a cost to you.
- Customer relations
- Premises management (buying bog roll and coffee, cleaning)
You begin to find out why entrepreneurs work such long hours.