Typically, it is very safe. Remember these people are professionals with integrity they must maintain. If someone were to steal your hardware, your data, etc… This would put them out of business essentially.

Age and Specs: A computer that's relatively new or has high specifications might be worth repairing. If your system meets your needs and the issue is fixable (like replacing a hard drive or upgrading RAM), repairs can extend its life at a fraction of the cost of a new machine.

Computer maintenance keeps your computer running smoothly by performing regular tasks such as deleting temporary files, defragmenting your hard drive, and running virus scans. On the other hand, computer repair is fixing problems that have already occurred on your computer.

The time it takes to repair a computer depends on the repair needed and part availability. It can take between a few hours to three weeks to fully restore your computer. Certain repairs, like data recovery or network configuration, can be done remotely within a few hours.