From the Bidding worksheet, click Alternate.

Then click Add new Alternate.

Enter the Alternate details. Add the alternate name, description, select an estimate template, then click Save.

Once you return to the Alternate List, click on Add/Remove Cost Items to customize the cost item in the Alternate.

Open the division needed.

Move the desired cost item from left to right to add it to the Alternative.

After customizing the cost item, you will be able to add a Nested Assembly by clicking on the double down arrow.

Add bid notes by clicking the Notebook icon.

Lastly set the Markups.