$1595 is not an expensive spindle.
You have 3 options.
1) The Elte at $1595
2) A cheap chinese spindle for $500 https://www.ebay.com/itm/2-2KW-Air-C..._XQ:rk:59:pf:0
3) A Chinese spindle from a reputable importer for $1000. GMT Air Cooled CNC Spindle 2.2kW 220/380V 18000 RPM High Torque S | Air Cooled Spindles