Its service offer to the specific category?

Hello

For the first time on OpenCart 2.2 create a website. Internet-shop of HVAC equipment.

I want to add the service "installation of air conditioning" after the tab "shipping Method" at checkout. This is a +7 000 rubles to the order amount for each unit in the order. Tell me how to implement it without violating the standard operation of cms?
July 9th 19 at 13:26
2 answers
July 9th 19 at 13:28
Solution
one of the sites (which focus on climate technology) I have just individual services, such as installation of air conditioners, was as related products prntscr.com/b5fddj
A good option, I am considering it. - Rosanna96 commented on July 9th 19 at 13:31
July 9th 19 at 13:30
As far as I know all of online stores is the concept of "Option" - some sort of bun to the product which costs some money, is selected before adding to cart. So as you can do kind of delivery is simple and installing it is natural for different amounts.
Option delivery is like, but is not sold the sum of air conditioning in order. Option is not an option, since it is necessary to specify each product. All prices in admin panel are shown in us dollars and in rubles. In consequence, the cost of installation also have to count in dollars. Will be updated if currency exchange rate, will have to upgrade and the cost of installation. If the cost of this service to specify in options then we have all the goods to go through and change it. - Rosanna96 commented on July 9th 19 at 13:33

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