You've got your three bids and you've examined the contracts. Now get busy make the decision about which in order to hire. You hire the contractor that you truly believe could work well with and you understand that they gave that you a reasonable price. But what do you do, when the contractor catches you off guard it can be now starting by utilizing problems.
The cheapest Cost Estimate is not necessarily the excellent. If you have 3 prices as well as is half the amount of the next lowest, beware. They may have missed something, or very possibly, just don't know what they're participating in. This is tempting, even for veteran contractors. But, if the sub or GC has under bid the project Commercial construction and retail space renovation can't finish, you've got big hassle. I've been on both sides of that and it never ladies good for either border.
One final thought