Get an off-axis guider.
https://www.bintel.com.au/?s=off+axi...v=6cc98ba2045f
It allows you to use the main scope as a guidescope as well without comporomising the image quality, as the guide star is, as the name says, off-axis. It usually contains a 1.25" barrel which fits an eyepiece or an autoguiding camera.
Saves a lot of weight (and money).