Low and mid priced ebikes are all mass produced in China and just a cheap bicycle with some electrical components added so no not really worth what is being charged for them unless the seller is adding quality bicycle components
If you want to keep it for years make sure the battery pack is of good quality with the longest range, looks like some sellers and home builders are favouring the dolphin pac style and although bulky and ugly they are easily replicable without having to change the battery cradle or retro fit, If you buy a bike with slimline battery that integrates into the frame it could well be superseded and force many into buying a new model once the battery quits?

Is Volt Yukon "Yukon Trail"? Ask to see the full computer display spec sheet as many of them show "Yukon Trail" as the aftersales contact