Do you go down the lader to catch the last two unknown?

It seems like you're asking whether to take a risk or make an effort to uncover the last two unknowns. If the potential rewards outweigh the risks and it aligns with your goals, then it might be worth going down the ladder. However, if the uncertainties pose significant risks, it may be wiser to reassess the situation. Ultimately, the decision should be based on your comfort with the unknown and the potential impact on your objectives.