Can the office rental process be quicker, easier and more efficient, on part of both the lessor and the lessee? Is it possible to negotiate rental rates and other conditions online, at the same place we find the advertisement? Can there be anything exciting about this process? Yes, indeed. It is enough to carry it out in the mode of... a bid battle, where the lessor provides the interested lessee with counteroffers in terms of e.g. different rate or rental period and the lessee chooses the one they find the most advantageous. This is the tool that the team of Programa™ was recently working on. How did we design it?