Feedback to my self scripted G-Code for the Creality Cr10s Pro V.2

My Start G-CodeG21 ; metric valuesG90 ; absolute positioningM82 ;set extruder to absolute modeM106 S0 ;fan at zero speedM140 S60 ; Set bed to 60°C [and immediately move on]M104 S200 ; Set extruder to 200°C [and immediately move on]M201 X500.00 Y500.00 Z100.00 E5000.00 ;Setup machine max accelerationM203 X500.00 Y500.00 Z10.00 E50.00 ;Setup machine max feedrateM204 P500.00 R1000.00 T500.00 ;Setup Print/Retract/Travel accelerationM205 X8.00 Y8.00 Z0.40 E5.00 ;Setup JerkM220 S100 ;Reset FeedrateM221 S100 ;Reset FlowrateM117 Auto Home...G28 X0 Y0 ;Home X/Y to min endstopsG28 Z0 ;Home Z to min endstopsG29 ;Run the auto bed levelingM190 S60;Set bed to 60°C [and wait for 60°C]M109 S200 ;Set extruder to 200°C [and wait for 200°C]M82 ;absolute extrusion modeG92 E0 ;Reset ExtruderM400 ;finish movesG1 Z2.0 F3000 ;Move Z Axis upG1 X10.1 Y20 Z0.28 F5000.0 ;Move to start positionG1 X10.1 Y200.0 Z0.28 F1500.0 E15 ;Draw the first lineG1 X10.4 Y200.0 Z0.28 F5000.0 ;Move to side a littleG1 X10.4 Y20 Z0.28 F1500.0 E30 ;Draw the second lineG92 E0 ;Reset ExtruderG1 Z2.0 F3000 ;Move Z Axis upM117 Printing...BeforeM190 S60 M109 S200 G21 ;metric valuesG90 ;absolute positioningM82 ;set extruder to absolute modeM107 ;start with the fan offG28 X0 Y0 ;move X/Y to min endstopsG28 Z0 ;move Z to min endstopsG29 ;Run the auto bed levelingG1 Z15.0 F3000 ;move the platform down 15mmG92 E0 ;zero the extruded lengthG1 F200 E3 ;extrude 3mm of feed stockG92 E0 ;zero the extruded length againG1 F3000;Put printing message on LCD screenM117 Printing...Or by Creality SlicerM201 X500.00 Y500.00 Z100.00 E5000.00 ;Setup machine max accelerationM203 X500.00 Y500.00 Z10.00 E50.00 ;Setup machine max feedrateM204 P500.00 R1000.00 T500.00 ;Setup Print/Retract/Travel accelerationM205 X8.00 Y8.00 Z0.40 E5.00 ;Setup JerkM220 S100 ;Reset FeedrateM221 S100 ;Reset FlowrateG28 ;HomeG92 E0 ;Reset ExtruderG1 Z2.0 F3000 ;Move Z Axis upG1 X10.1 Y20 Z0.28 F5000.0 ;Move to start positionG1 X10.1 Y200.0 Z0.28 F1500.0 E15 ;Draw the first lineG1 X10.4 Y200.0 Z0.28 F5000.0 ;Move to side a littleG1 X10.4 Y20 Z0.28 F1500.0 E30 ;Draw the second lineG92 E0 ;Reset ExtruderG1 Z2.0 F3000 ;Move Z Axis upIs there something I can improve? Any advice? Does anyone have a better G-Code Script for this printer or a similar one? Thx