How to improve the calculator form?

You must do fixed calculator calculate the cost of repair.
The visitor first selects the type of repair, and then selects the works that are automatically added to the estimate.
The problem is that space is very limited and fit into the estimate of only one work. If there are more — there is scrolling, that is very uncomfortable.
The customer against the creation of multiple tabs to the right to break all the stages. You want to fit everything on one sidebar, save, and the bottom list of value, and input your phone and a button.
Scratching their heads for two days. Tell me how I can expand the field with the quote? to fit at least 2 works
5a2cbef51d77c534335037.png
June 10th 19 at 16:31
2 answers
June 10th 19 at 16:33
I think the idea is to stick a calculator (especially a rather large and razvetvitel) in the side panel - is flawed. It should be normal for an individual page. And to folded-unfolded only sections and not each line separately - I don't want to reap these pluses 100500 times on everyone.
June 10th 19 at 16:35
The search box for types of work.

And of course, to simplify or to do step-by-step wizard. As already said , poking 100,500 plus was not an option. It you want the visitors put 100 parameters, and it will be laziness.
Look for calculators of its largest competitors in each repair individually, look for calculators from American companies, take out the best.
But as it is necessary to simplify.

Find more questions by tags User interfaceUsability & UXDesign