Affiliate Marketing Secrets

Which of the following scenarios would most likely lead to resource partitioning and consequently contribute to ecosystem stability?
1)
sympatric populations of the same animal species
2)
allopatric populations of species with ecological niches that are similar
3)
sympatric populations of species with ecological niches that are similar
4)
allopatric populations of the same animal species

I own a security company, and I would like to offer my services (night watch of their vehicle) to people who are forced to leave their vehicle outside during the night. I know that they are often the target of robbers.
Which professionals are more likely to keep tools that are expensive, not too cumbersome, and easy to resell (no serial numbers or niche application), as I assume that they could be good customers for my security company ?