Buying a guzheng usually means comparing price and tone. What people rarely plan for is the second list: the things that are not in the crate.
Four essentials: stand, picks and tape, tuner, spare strings. Without them the instrument does not really work — the stand sets your posture and how much force reaches the strings, the picks shape both tone and finger fatigue, the tuner tells you whether what you hear is in tune, and the spare strings are there because strings 1 to 5 break most often, and a week waiting for a parcel is a week not practising.
The stand. The most comfortable height puts your forearm roughly parallel to the soundboard when you sit upright. Folding stands travel well but move; fixed stands are solid but take space. An unstable stand has one specific consequence: play with any force and the instrument rocks, and the bridges travel with it (see why bridges slip or jump).
The picks. Material, thickness and curve. Too thick and the tone turns hard and blocky; too thin and it goes hollow and will not carry a tremolo. Fit them to the curve of your own nail, and wrap the tape two and a half to three turns — loose tape slides (see choosing and wearing picks).
The tuner. A clip-on pickup is the most stable, a phone app the most convenient. Either works; what matters is that it shows the note name and cents offset, not just a green light for “in tune”. How to use one: tuning a guzheng.
Spare strings. Match the gauge already on the instrument; do not mix brands or tensions. Strings 1 to 5 break most often, so start there. The full procedure is in restringing step by step, and a new string needs time to settle (pitch stability after a restring).
Three strongly recommended: a cover, a hygrometer, a stool. The cover keeps dust and direct sun off. The hygrometer matters more than a humidifier — you cannot decide whether to humidify until you know the reading. And a stool at the wrong height makes your back ache within ten minutes, which ends practice sooner than boredom does.
Can wait: a padded bag or hard case, spare bridges, a cleaning cloth, a music stand. None of these affect playing, so buy them once you know how the instrument will be used rather than all at once.
Ask what is included. What ships with the instrument differs by model and by channel, so check the product page or the order confirmation instead of assuming.
Where the instrument lives matters too: humidity and placement are covered in storing through humidity changes, and routine cleaning in cleaning and dust protection. If you are unsure which specification suits your instrument, send us the model.