This is my experience with such matters.

1) If your city/town council is pro-development at any cost you are in real problems. But they are elected to there position.
2) Check to see if an environmental assessment needs to be done because of its proximity to a stream or waterway.
3) Traffic flow projections. Many streets and feeder roads are not designed for large developments. The development can be stopped because the city is not planning on increasing the road capacity. Look up US Case Law history. I know there is a case where home owners took their city council to court and won. It was based on the premise that the city council knew that the existing road system was not adequate for the intended development but they approved the development anyways. Someone got hurt and suited All infrastructure needs to be in place before the store opens.
4) Local protest. If enough people sign a petition of protest/boycott, the development might not go ahead.
5) Most big box stores have a front company do all of the re-zoning. This is to deflect any negative PR from the store itself. Do some research on who the developer is and ask for past projects they have managed. Find out what there history. Do they do what they say they are going to do or is it fluff until the permit is issued?
6) If you win, do not stop. Create a community development plan. Then any future projects will have to conform to the development plan.

Good luck.

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