I generally stick to hand tools for everything .
Reason being i can fix or even make most hand tools i need , making a 4x4 tractor or a digger is beyond me . So too is providing the fuel to run them and , buying the new spare parts to keep them going .
I do have horse ploughs and circular saws though !
The horse plough being powered , obviously , by a horse . A horse that , in theory , gets it's fuel from feed grown on site , grass , hay , oats, barley etc .
A horse can also provide it's own replacement , something i have yet to see a tractor do !
The circular saw needs power . This can be provided by an engine ,which needs fuel , or by water power , which just needs a waterwheel .
I have converted timber from tree to plank with 2 man saw and pit , but i then need another worker .
I have also planked trees with a one man hand saw . No problem if i only need to convert one tree , but a killer if i need to do more .
So , saw bench it is . I have old diesel engines , lister and petter , that use very little fuel , so it depends on what i have at the time .
An up and running water wheel , or the diesel engine that will run on any oil , cooking , heating , diesel , engine or even hydraulic , or any mix of the above .
So , for me , i prefer to use tools that i can get cheaply , or free , operate mainly by hand or power obtained on holding , horse , water and maybe a little home grown sunflower oil , or waste oil i get given .
Others prefer to go a different route and work to earn lots of money , that takes up hours of their time . They then 'need' a gadget or implement , for every job they do on the holding to save time . Time they spent earning the money to buy the implement blah blah blah !
Horses for courses .