The question is how many weeks will you need it ? Most people do not buy unless they’re going to use it a fair amount. You incur a lot of costs to buy and then sell... plus drop in value and depreciation. If I’m understanding your project right then you should rent in my opinion
I’ve walked the factories here not too long ago when I bought mine... they gave an invite to visit. Yes maybe costs are high here but everything’s already built. And quality is high