You should be able to find this kind of process very simple and not tiring and that is if only you follow the necessary steps that are required to be followed or else you will discover in the end that you came up or let us say you brought up something that was not of standard and that will start having problems and therefore not being able to serve the very purpose for which it was created for.
By that I mean how large or small the septic tank will be, you should be in a position to make sure that you have enough space to build the septic tank of your desired choice.
It can be very disheartening if you use a lot of tour hard earned finances to build something which in the end will not work the way you wanted it to work or in short it will not be able to produce the desired results but one should keep in mind that even if you regret for a poo job done, you were part and parcel of the job being done and you yourself was a contributor of the failure of the whole project and you therefore you do not have to shift the blame to any other person other than yourself.
Before you even start installing the septic tank you should be able to well elaborate the purpose of the septic tank and in other word the number of people that the septic tank will be able to serve and be able to approximate everything that will be required to set up that particular septic tank in a way that it will serve your desired number of people you want it to serve.
Another thing that you should seriously consider is the type of soil in that particular area where you want to install the septic tank since the soil that is supposed to work well with a septic tank is a type of soil that is not able to drain its content and this means that the type of soil should have a high retention ability so that you will have to deal with issues of spillage and the wastes contents appearing everywhere just because you did not first think through of the type of soil that you are actually installing your land on.
It is illegal to start using the septic tank before you get an approval from the concerned authorities and this will finally give you the allowance to start using your septic tank.