In many situations we couldn't only use "kaufen" to consult with "to obtain". "holen" and "nehmen" sometimes could also indicate the meaning of "to acquire", 1 @Lykanion: Of course, those were being just my concept of a standard situations. I guess currently the typical scenario should be to purchase (bestellen) https://meineupdates.de/ein-einkaufsfuhrer-fur-massivholzbetten-worauf-sie-achten-und-wo-sie-einkaufen-sollten/