what do ya mean..'less money' on a interior repair? Says who? Them?? lol
this is a MYTH! too many have and continue to redundantly state an outside method is way more expensive than an inside method, its NONSENSE!
believe what you like. If you have 1 area of a basement wall that has a crack or Other outside openings in the wall and/or 'above' the wall, they should be correctly sealed/fixed Outside, but, ONLY that particular area of the wall where there is a problem, know what i mean??
Dont buy the crap from Many who tell ya that by fixing 1 area then you will soon leak in another area, thats bs.
IF you have a crack/opening in another area, at this point in time, you would be leaking there!! right? Think about it.
Sure, a crack etc could occur in another part of the wall in future and, a crack may NOT occur in future. If it did, then fix that area in the future, dont let them twist `n turn words/distort/bs to support an obviously self serving position.
Now, if you have a problem UNDER the floor and NO problem w/ the wall or Above the wall Outside, then the First thing i`d recommend to you/others is to find a good/honest plumber to try `n snake under the floor & see if they can free up a possible blockage under the floor which, does indeed happen fairly often but also can many times be un-clogged by snaking, when possible. When possible means, not all homes have storm traps etc to allow the opportunity to snake.
Define exactly what the Reason is that you are getting water in, then fix it Correctly, but Never Assume!!Not in this business.
Call me if you wish, here to help, let me know