Start and End G-code for Ender 5 on Cura

end.gcode

; Ender 5 Custom End G-code
G4 ; Wait
M220 S100 ; Reset Speed factor override percentage to default (100%)
M221 S100 ; Reset Extrude factor override percentage to default (100%)
G91 ; Set coordinates to relative
G1 F1800 E-3 ; Retract filament 3 mm to prevent oozing
G1 F3000 Z20 ; Move Z Axis up 20 mm to allow filament ooze freely
G90 ; Set coordinates to absolute
G1 X0 Y220 F1000 ; Move Heat Bed to the front for easy print removal
M106 S0 ; Turn off cooling fan
M104 S0 ; Turn off extruder
M140 S0 ; Turn off bed
M107 ; Turn off Fan
M84 ; Disable stepper motors

M117 That's All Folks!
; End of custom end GCode

start.gcode

; Ender 5 Custom Start G-code
M104 S200 ; Set Extruder temperature to 200.
M140 S70 ; Set Heat Bed temperature to 70
; 50 should be sufficient for the actual build but raising the temp can help builds stick to the base.
M190 S50 ; Wait for Heat Bed temperature. 
M109 S200 ; Wait for Extruder temperature
G28 ; Home all axes
M117 ; Purge extruder
G92 E0 ; Reset Extruder

; Draw a line. This is for the test line, so it can be a little lower than we need.
G1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed. 
G1 X0.1 Y20 Z0.3 F5000.0 ; Move to start position
G1 X0.1 Y200.0 Z0.3 F1500.0 E15 ; Draw the first line
G1 X0.4 Y200.0 Z0.3 F5000.0 ; Move to side a little
G1 X0.4 Y20 Z0.3 F1500.0 E30 ; Draw the second line

G92 E0 ; Reset Extruder
G1 Z1.5 F3000 ; Move Z Axis up to where it should be for the actual print.

M117 By your command!
; End of custom start GCode

Not sure when this started, but Cura 5.8.1 does wait for bed / nozzle temperature in filament settings.
We just have home and purge in start gcode.