English to Greek Bus/Financial Management social entrepreneurship

The business idea must therefore be realistic. It should be achievable and durable. Although your idea may have an amazing potential, the practicalities of delivery may be a barrier. Thus, do a little investigation into in the market that you’re looking to operate in and start to understand how potential competitors, partners and other stakeholders are operating. Then, start having a think about what your own strengths and skills are that are relevant to the realisation of your idea, and where there are gaps. Being honest about where you need help, by bringing others on board, if it is necessary.

Το απέδωσα έτσι.
Επομένως, η επιχειρηματική ιδέα πρέπει να είναι ρεαλιστική. Θα πρέπει να είναι εφικτή και ανθεκτική.

Όμως, το ανθεκτική δεν μου πολυαρέσει... Διαρκής ή να έχει διάρκεια, μήπως;;;