Keep in mind that you are not the only Repairman bidding on the same job. So, you would need to keep a competitive edge.
1. Your prices are attractive and competitive.
2. To give a clear description on how you can help the customer.
Make sure that you are doing a good job, customers will after the payment give you a rating based of your performance. Your rating is reflected on your profile when you make a bid on a job and show how many jobs you have completed. Having a good rating and a good number of completed jobs will be a good reflection of trust towards finding a reliable Repairman for your future customers.
Rating is calculated from 3 categories:
3. Quality of work