After the purchase

When the gear arrives, avoid postponing the inspection for several days if possible.

Check immediately:

• external condition of the parcel;
• whether the item matches the listing;
• serial number and accessories;
• any shipping damage;
• core functions;
• previously disclosed defects and any new obvious problems.

If the parcel shows significant damage, document it before and during opening where possible.

A prompt inspection creates a clearer record of how the item arrived and which problems were present at delivery.

Do not immediately discard the records associated with the purchase.

Until the gear has been fully checked, keep:

• the listing or its key details;
• the conversation;
• proof of payment;
• tracking information;
• photographs supplied by the seller;
• packaging, especially if it shows damage;
• any documents or serial information.

Once everything is confirmed, you can decide what to archive long term.

For valuable gear, retaining the serial number, receipt and modification history can also be useful for maintenance, insurance or future resale.

Once the item arrives, repeat the test calmly in your own environment.

Use a complete sequence:

1. external inspection;
2. power-up or basic operation;
3. core functions;
4. the inputs and outputs you will use;
5. important secondary controls;
6. a reasonable extended test.

A previous video only demonstrates what was visible at that moment; it does not replace checking the actual item that arrived.

If you discover a problem, note when it appears, under which configuration and how it can be reproduced. This makes it much easier to explain to the seller or a technician.

If you discover an undisclosed problem, avoid immediately making repairs or modifications that could make the received condition harder to reconstruct.

First:

• photograph or record the problem where possible;
• note the steps required to reproduce it;
• compare it with the listing description;
• contact the seller clearly;
• check any applicable platform, payment-provider or carrier procedure.

A problem may also result from configuration, cables, power or compatibility, so rule out simple causes without unnecessarily altering the item.

The goal is to preserve a verifiable description of the condition as received before deciding how to resolve it.

After completing the checks and resolving any purchase-related questions, you can move on to initial maintenance.

Depending on the gear, this may include:

• cleaning;
• new strings and setup;
• replacing batteries or consumables;
• backing up presets;
• software updates that are genuinely needed;
• professional inspection for equipment requiring specialist knowledge.

Before changing configurations, firmware or components, save anything that may be useful for reconstructing the original state.

For expensive, vintage or unusual gear, consider interventions carefully: maintenance and modification are not the same thing and can affect future value differently.

Before completing the purchase, check:

• [ ] Have I identified the exact model and version?
• [ ] Do I know the total cost, not just the listing price?
• [ ] Have I checked the seller’s profile and consistency?
• [ ] Do the description and photographs show important condition issues and defects?
• [ ] Do I know which modifications and repairs have been made?
• [ ] Do I know exactly which accessories are included?
• [ ] Have I tested the gear or obtained targeted remote verification?
• [ ] Is the price coherent with the model and condition?
• [ ] Are the price, defects, accessories and delivery terms recorded in writing?
• [ ] Do I understand the payment method and any applicable protection?
• [ ] Will I inspect the item promptly after delivery and keep the documentation?

If any essential point remains unclear, resolve it before transferring money or treating the purchase as complete.