Sending and receiving packages in Switzerland

Sending and receiving packages is easy in Switzerland. The postal system is highly efficient and the prices are moderate - for Swiss standards, of course. If you register with Swiss Post, at their website, you'll be able to steer the ways in which you wish to receive your packages - by Murphy's Law, you'll never be at home when the mailman rings. Alternatives are: delivery to another address (your work, for example), to a locker (which can be accessed 24/7, you'll get a code to open the locker) or at a ticket counter at a railway station.
All international incoming packages may, can and will be checked by customs. Be sure to declare your package correctly, and tell your relatives to do the same with packages that are to be sent to you. Expect to pay VAT, duties and - on top of it - a service fee on incoming packages. Custom fees can be annoyingly high.

Personally, I send packages from Germany.  the price is about 50% less if you purchase at the PO, but you can also buy postage from Paket.ag (I have no association with them) and the price can be even cheaper ...

Receiving packages by post or courier is crazy - you get killed on the taxes and fees coming in. If coming from the EU, I have it shipped to the PO in Lotstetten and declare it myself.  Usually save a bundle.

When getting something from home (US for me) I try to find someone coming from the same town.  When they carry it in with luggage, the exemption is sFr.300 and no fees if they have to pay the MwSt on my behalf.  Perhaps a bit easier for me as I belong to a close-knit religious community with a big enough WhatsApp group to find someone ...