Bottlenecks in precision top-quark measurements

Recent \emph{top}-quark precision measurements at $\sqrt{s}$ = 13 TeV performed by the ATLAS and CMS Collaborations are reviewed: the different approaches for the determination of the systematic uncertainties are compared and discussed. The treatment of systematic uncertainties in Profile Likelihood fits used to estimate the inclusive $t\bar{t}$ cross-section is shown. Morevover, the role of the definition of the Covariance Matrix in the measurement of differential cross-sections is discussed. Finally, the first results of unfolding techniques in which systematic uncertainties are profiled are presented.