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Interesting/useful parts to buy to bulk up baskets for free delivery

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Infraviolet:
Virtually every component seller of any kind has a price above which one can get free delivery, and often delivery below it can be quite pricey. And sod's law means one almost always comes a little bit under the price threshold when filling ones basket with the things one actually needs. So you end up with a situation where if you can find £1 to £9 of extra stuff to order (depending on exactly how much below you are) you often end up paying a little less than if you bought less stuff and paid for delivery.

Any tips on what sort of items can be interesting/fun/useful to get to fill these little price gaps? Either things to generally stock up on, or things like interesting ICs to have a go with and explore their capabilities. Ideas perhaps of using this price gap filling to try out parts one wouldn't otherwise consider getting.

Thoughts of amusing things to get from the typical component sellers for this price gap filling are also welcome.

Thanks

coppercone2:
all I can think of is to start working on decade sets of passive components in different wattage levels. Integrated circuits are gonna lay around till the end of time but passive devices (i.e. having a 1/2 watt, 1 watt, 3w, 5w resistor of weird tolerance) is actually useful

then you will be the guy with a real resistor in circuit not a network of undersized crap

would I put together a e48 2W resistor network normally? no. but its not a bad goal to aspire to if you need to kill some quotas

same thing with zener diodes

metal oxide resistors are quite nice, in the same form factor as old composition resistors you can get 2x the power level (1/2 watt composite = 1w metal oxide size wise). That actually makes for pretty good retrofits in equipment.

I would argue that inductors might be the most useless of the passives to try to collect, so do those after your e192 10W resistor set is complete

themadhippy:
consumables like drill bits ,nuts and bolts etc are usefull basket fillers.

AVGresponding:
If it's Rapid I will scan through the clearance and sale sections, but failing that, test leads/connectors. You can never have too many!

tooki:
Little dev/breakout boards, like microcontrollers and peripherals.

What I do on Digi-Key is keep a “general wish list” list into which I place things that I find interesting, or things I need (but not urgently), precisely for padding small orders.

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