Dairy farming is part and parcel of whole agriculture. When one can do the agriculture, then dairy is very easy, if one wants to do only dairy then every chance of risk is must as it depends on only one source of dairy itself. But in agriculture all are integrated and inter linked to all in one for balancing failures, nature effects, marketing gamble, own mistakes, miss managements etc. If one sector is failed then can expect profit from other to balance the total loss.
If Agriculture is considered as elephant, then dairy can be a leg of elephant. Elephant can survive without one leg, but one leg cannot hold a elephant please be note.
Selection of land and wife will be once in life time decision ( 2nd tr’s are also possible in some cases) But, first of all satisfy yourself for owning the land but not on the basis of price.
You can borrow loan to buy a land which you love more as taking risk for loved one is beautiful experience in the life.
Distance from your residence to your land, Market feasibility for your products. Water and power suply for agricultural activity and labour availability etc also very important aspect to finalize to own land anywhere beware.
Importantly for small investment ameture entrants in dairy is to decide that whether they can serve it (Dairy) as their own infant kith and kin, otherwise
A work done by Labours will be worst.
A work done by your son will be ok. But,
A work done by you will be Great, because you know that how much pain you taken for it and hence you will perfectly take care of it to reach your goal.
Importantly if you will be able to be personally present in dairy, then you can expect very good returns