I don’t know of such an Org extension, but what you are looking for is an
advanced shopping list, and for your leftover components, asset management.
You may also find org-cook (I lost the link, but I will look for it when
not on a cell) useful.

Best,
Gergely

On Thu, Feb 2, 2017, 04:59 Eduardo V. <lalohao@gmail.com> wrote:

> I constantly buy diodes, resistors, etc. for projects and i mostly save
> the receipts.
>
> I want to know if there is an org-mode way (or any other software) that
> let's me input all the data form the receipts and tell me which components
> are cheaper in X store.
>
> A plus if it has a way of telling me how many components i have left.
>
> Thanks in advance.
>
> NOTE: Since i don't know what name this kind of software receives i have
> not been able to find what i look for, so excuse my ignorance
>