Medtronic Guardian sensors, Tandem infusion sets and reservoirs — sealed, unused boxes are worth cash. Free prepaid label and same-day payment.
SellTestingStrips.com (SRQ Diabetic Surplus) pays up to $70 per sealed Medtronic Guardian sensor 5-pack, $52 for MMT-242 infusion sets, and $32 for Tandem TruSteel, with same-day payment by cash, Zelle, Venmo, CashApp or check, free nationwide shipping, and same-day local pickup across Tampa to Fort Myers, Florida. No minimum order.
Call, text a photo, or use the instant quote on our homepage. We tell you up front what we pay.
We send a free prepaid USPS, UPS or FedEx label — or a full mailing kit. Shipping is always on us.
We verify your box the day it arrives and pay by Cash App, Venmo, Zelle, PayPal, direct deposit or check.
Top payouts for sealed, unexpired, mint boxes — condition and dating set the final number. Seller payouts only.
| Product | Notes | Up to (payout) |
|---|---|---|
| Medtronic Guardian 7020A (5-pack) | Sealed | $70 |
| Medtronic Guardian 7020LA (5-pack) | Sealed | $70 |
| Medtronic Guardian 7040A | Sealed | $52 |
| Medtronic MMT-242 Infusion Sets | Sealed | $52 |
| Medtronic MMT-243 Infusion Sets | Sealed | $35 |
| Medtronic Silhouette MMT-381 | Sealed | $42 |
| Tandem TruSteel Infusion Sets | Sealed | $32 |
| Tandem Autosoft XC | Sealed | $31 |
| Tandem Autosoft 30 | Sealed | $31 |
| Tandem Varisoft | Sealed | $28 |
| BD Pen Needles (all sizes) | Sealed | $12 |
| Tandem t:slim Cartridges | Sealed | Ask |
Prices updated July 2026. We buy supplies you bought out of pocket — retail, mail-order and NFR/institutional included. The one thing we can never buy is Medicare or Medicaid product. Estimates confirmed on inspection.
Free shipping, top payouts, and payment the same day we verify your box.