Can I consider other offers on my property if I'm under contract?

[Paul Ellerbusch]

I am selling one of my rental properties and have accepted an offer. The offer is from an entity, all-cash, at listing price. Sounds great, right? Well they included a special stipulations addendum in the offer allowing them a 15-day inspection period to find issues and request seller credits. I am expecting 2-3% in credits, which is fine by me. However, I'm concerned they will come back with an unreasonable amount and it will have been a waste of time. 

I'd like to allow other potential buyers to tour the property and make offers. I understand that I can't accept another offer while under contract and would be honest about the situation with potential buyers. Can I continue showing the property and allow people to submit offers as a backup plan should my current deal fall through?