Linear programming models are powerful tools for optimization, but they do have limitations. One key limitation is that they assume linear relationships between variables, which may not always reflect real-world complexities. Additionally, linear programming models often ignore uncertainties and dynamic changes in variables, assuming constant coefficients. They also require that all variables and constraints are defined precisely, which may not always be possible in complex systems. Finally, linear programming models may fail to handle integer or non-continuous variables effectively. For assistance in navigating these challenges, Linear Programming assignment help from BookMyEssay can provide the necessary expertise.