Based on my own experiences using marketplaces to find freelancers, as long as the project posted is well defined, it is much better to have the coders submit bids for the total.
Every single time I paid by the hour I have had problems.
I understand Derek's advice is to find one coder to work on a large project. But even then, IMHO is better to start with a fixed amount and eventually change and pay by the hour (and add other perks) only later.
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Based on my own experiences using marketplaces to find freelancers, as long as the project posted is well defined, it is much better to have the coders submit bids for the total.
Every single time I paid by the hour I have had problems. I understand Derek's advice is to find one coder to work on a large project. But even then, IMHO is better to start with a fixed amount and eventually change and pay by the hour (and add other perks) only later.